Advertisement

We need your help now

Support from readers like you keeps The Journal open.

You are visiting us because we have something you value. Independent, unbiased news that tells the truth. Advertising revenue goes some way to support our mission, but this year it has not been enough.

If you've seen value in our reporting, please contribute what you can, so we can continue to produce accurate and meaningful journalism. For everyone who needs it.

Lauren Hurley/PA Wire

You could use Facebook to figure out your friends' sleeping patterns

The creator said the tool was a way to show how we leave digital footprints, even when you don’t realise it.

FACEBOOK HAS A NUMBER of uses, mostly communication, but it can also be used to glean information about other things you might not have realised, such as sleeping patterns

A software developer, Søren Louv-Jansen, from Denmark, created a tool where he could track the sleep patterns of his friends using activity data from Facebook.

The tool uses the activity timestamps that Facebook stores on its site and Messenger app, showing them when they were last active on the site, and used it to determine when people were asleep or awake.

The software checked Facebook’s database on user activity every ten minutes, allowing him to create graphs showing how it unfolded. Since most people check Facebook the first thing in the morning and night, Louv-Jansen was able to determine the sleeping patterns of its busier users.

In general, sleep patterns were consistent on the weekdays but ended up becoming random on the weekends.

1*9ra7jJwyQQH0q3Gidlfbzg Medium Medium

Louv-Jansen has put the source code for the tool up on GitHub although Facebook itself has asked him to discourage others from using his software, although he said the intention wasn’t to spy on his friends. Instead, he wanted to show how people continue to leave traces of their online activity when they don’t realise it.

“In this digital world, we leave footprints where we go, and when we do it, without even thinking about it,” he said in a Medium post. “Facebook might block this little ‘hack’, so your friends can no longer track you, but Facebook will always be able to do their own data analysis which is undoubtedly way better than what I’ve come up with.”

He told the Washington Post that Facebook was in touch with him, saying it violated its terms of service and to discourage others from using it.While he stopped using the tool himself, he hasn’t taken it down from GitHub, saying it’s the best way to raise awareness of the privacy at stake.

I’m not proud of people starting to spy on their friends, but maybe this can make everybody more aware of the consequences of our actions.

Søren Louv-Jansen / YouTube

Read: Snapchat apologises to employees after phishing scam reveals personal data >

Read: It’s now 20 years since this title made the Game Boy a must-have item again >

Readers like you are keeping these stories free for everyone...
A mix of advertising and supporting contributions helps keep paywalls away from valuable information like this article. Over 5,000 readers like you have already stepped up and support us with a monthly payment or a once-off donation.

Close
7 Comments
    Install the app to use these features.
    Mute John Deane
    Favourite John Deane
    Report
    May 31st 2025, 9:22 PM

    Just another politician only interested in lining pockets with taxpayers money and does FA for people

    495
    Install the app to use these features.
    Mute Val O'Connell
    Favourite Val O'Connell
    Report
    Jun 1st 2025, 5:21 PM

    @John Deane: Please ! There are better and easier ways for a man like him to line his pockets and make real money

    3
    Install the app to use these features.
    Mute Gary Kearney
    Favourite Gary Kearney
    Report
    Jun 1st 2025, 7:50 PM

    @John Deane: You obviously don’t know many politicians if you think that.

    3
    Install the app to use these features.
    Mute N D K
    Favourite N D K
    Report
    May 31st 2025, 9:32 PM

    Sure, his daddy voted for ff and his grandaddy too

    443
    Install the app to use these features.
    Mute Vincent Alexander
    Favourite Vincent Alexander
    Report
    Jun 1st 2025, 1:12 AM

    @N D K: How do you know? Why would he, his father or grandfather vote SF?

    10
    Install the app to use these features.
    Mute Michael Collins
    Favourite Michael Collins
    Report
    Jun 1st 2025, 1:36 AM

    @Vincent Alexander: but but but SF

    240
    See 1 more reply ▾
    Install the app to use these features.
    Mute Vincent Alexander
    Favourite Vincent Alexander
    Report
    Jun 1st 2025, 8:53 AM

    @Michael Collins: Just to counteract the SF snide remarks.

    2
    Install the app to use these features.
    Mute Johnny frankson
    Favourite Johnny frankson
    Report
    May 31st 2025, 9:13 PM

    Sadly politicians have little or no respect from the public anymore. Reason being their actions are not in accordance with the public good but instead self serving. The rot starts from the top. Don’t blame the working classes for burning out the Luas or looting shops when they see privileged classes lining their pockets.

    404
    Install the app to use these features.
    Mute Kevin Collins
    Favourite Kevin Collins
    Report
    May 31st 2025, 9:50 PM

    @Johnny frankson: Working class??? The Canada Goose patriot brigade that set Dublin alight haven’t a job between them.

    95
    Install the app to use these features.
    Mute Dominic Leleu
    Favourite Dominic Leleu
    Report
    Jun 1st 2025, 10:14 AM

    @Johnny frankson: yes it’s time to create a party for ourselves

    83
    See 3 more replies ▾
    Install the app to use these features.
    Mute Fergus O'Donnell
    Favourite Fergus O'Donnell
    Report
    Jun 1st 2025, 11:35 AM

    @Dominic Leleu: the nuns and vicars party

    83
    Install the app to use these features.
    Mute Val O'Connell
    Favourite Val O'Connell
    Report
    Jun 1st 2025, 5:25 PM

    @Johnny frankson: get up outta the garden. The s c u m class who never worked a day in their life rioted . Nothing to do with politicians or your betters . Mentalities like yours are contemptible, apologists for racist filth . You and your kind should and will be aggressively hunted down and made to disappear . Lunatic stuff

    4
    Install the app to use these features.
    Mute Gary Kearney
    Favourite Gary Kearney
    Report
    Jun 1st 2025, 7:53 PM

    @Johnny frankson: Looting and burning buses, a Luas and Garda cars has nothing to do with politics.
    It is people just doing as they please and not caring for anybody else.
    I am working class and yet like most people was not out rioting and looting!

    1
    Install the app to use these features.
    Mute Daniel Gilroy
    Favourite Daniel Gilroy
    Report
    May 31st 2025, 9:25 PM

    Did this lad forget to take his meds. FF party of the people, you mean shysters robbing the people, Haughey, Ahern gangsters and Mehole the bailout didn’t happen Martin.

    482
    Install the app to use these features.
    Mute Vincent Alexander
    Favourite Vincent Alexander
    Report
    Jun 1st 2025, 1:19 AM

    @Daniel Gilroy: And Gerry the “Peace Maker Never in the IRA” still making money from over 1,700 killed by the PIRA.

    30
    Install the app to use these features.
    Mute Michael Collins
    Favourite Michael Collins
    Report
    Jun 1st 2025, 1:37 AM

    @Vincent Alexander: what a load of horse manure ..

    256
    See 4 more replies ▾
    Install the app to use these features.
    Mute Mona Murphy
    Favourite Mona Murphy
    Report
    Jun 1st 2025, 5:33 AM

    @Vincent Alexander: and the rest murdered by loyalists, ruc and brits. All started by loyalists aided by B Specials. South did 0 to help nationalists in the 6 counties. Left them high and dry.

    157
    Install the app to use these features.
    Mute Vincent Alexander
    Favourite Vincent Alexander
    Report
    Jun 1st 2025, 8:38 AM

    @Mona Murphy: No reason to jeopardise the state by supporting terrorists.

    12
    Install the app to use these features.
    Mute Val O'Connell
    Favourite Val O'Connell
    Report
    Jun 1st 2025, 5:27 PM

    @Daniel Gilroy: No, the party of the people, the party that people on the right and the left and centre will vote for . The people take actually contribute to society and not the oxygen stealers who offer and do nothing but parrot the same rubbish as the next man

    2
    Install the app to use these features.
    Mute Val O'Connell
    Favourite Val O'Connell
    Report
    Jun 1st 2025, 5:34 PM

    @Mona Murphy: as usual , women talking out of turn talking nonsense . Ulster hid under the bed and did next to no fighting in 1916-1921. Happy to side with the Treaty and Collins and join the Free State army to kill good republicans . Cork IRA men were working in Tyrone during the Tan War , doing good . Come civil war they were seen as outsider and shot them . FF and the Irish people in general (that matter) never forgot and never forgave . You lot are nothing to do with us. Ye made your bed , now lie in it . Left hI’m go and dry lol what rubbish, you lot voted with the traitor Collins

    2
    Install the app to use these features.
    Mute Brian D'Arcy
    Favourite Brian D'Arcy
    Report
    May 31st 2025, 9:17 PM

    Ha ha

    291
    Install the app to use these features.
    Mute John Smith
    Favourite John Smith
    Report
    May 31st 2025, 11:19 PM

    And sure if you ever lose your seat you can go back working for Daddy.

    297
    Install the app to use these features.
    Mute Paul Kavanagh
    Favourite Paul Kavanagh
    Report
    May 31st 2025, 9:19 PM

    id cross the road from you if I knew you voted for ff

    346
    Install the app to use these features.
    Mute PhiBo
    Favourite PhiBo
    Report
    Jun 1st 2025, 12:53 AM

    Did FF pay for this piece?

    282
    Install the app to use these features.
    Mute Daniel Gilroy
    Favourite Daniel Gilroy
    Report
    May 31st 2025, 10:03 PM

    FFG are like a festering mold rotting the country slowly over the past 100 years.

    420
    Install the app to use these features.
    Mute Daniel Gilroy
    Favourite Daniel Gilroy
    Report
    May 31st 2025, 11:03 PM

    @H Woo: Festering mold!!!

    354
    Install the app to use these features.
    Mute Daniel Gilroy
    Favourite Daniel Gilroy
    Report
    May 31st 2025, 11:19 PM

    @H Woo: You’re apathy for what these shysters inflicted upon the people of this country is very concerning. You’re either not the smartest or a me feiner, like most in FFG.

    342
    See 10 more replies ▾
    Install the app to use these features.
    Mute Vincent Alexander
    Favourite Vincent Alexander
    Report
    Jun 1st 2025, 1:25 AM

    @Daniel Gilroy: Look north and tell us what have SF achieved.

    10
    Install the app to use these features.
    Mute Michael Collins
    Favourite Michael Collins
    Report
    Jun 1st 2025, 1:35 AM

    @Vincent Alexander: They fought the British Empire to a stalemate and won the right to exist for the Catholic Population. .. I see your on one of your Loyalist/Unionist sour grapes tirade all over this article… GFA over 25 yrs and some of ye lot still can’t accept It. Your a worse bigot than Paisley.

    245
    Install the app to use these features.
    Mute Paul Gorry
    Favourite Paul Gorry
    Report
    Jun 1st 2025, 2:23 AM

    @Vincent Alexander: Are you @ Tim Brennan in disguise or what Vincent? Fffg lovers are a kind of rope, a dope kinda thing. Maybe look in a mirror and tell us the real truth?

    201
    Install the app to use these features.
    Mute Paul Gorry
    Favourite Paul Gorry
    Report
    Jun 1st 2025, 3:59 AM

    @Vincent Alexander: Look south and tell us what fffg has achieved!!

    151
    Install the app to use these features.
    Mute Vincent Alexander
    Favourite Vincent Alexander
    Report
    Jun 1st 2025, 8:42 AM

    @Michael Collins: The murdering or disappearing of Catholics was not protecting them but control b terror.

    5
    Install the app to use these features.
    Mute Vincent Alexander
    Favourite Vincent Alexander
    Report
    Jun 1st 2025, 8:45 AM

    @Paul Gorry: A good standard of living. By observing the traffic on the M1 there are a lot of Northerners enjoying the work opportunities in the South.

    6
    Install the app to use these features.
    Mute Sun Rise
    Favourite Sun Rise
    Report
    Jun 1st 2025, 10:17 AM

    @Michael Collins: They murdered innocent children. I’m afraid that is not what any decent human can support.

    1
    Install the app to use these features.
    Mute Val O'Connell
    Favourite Val O'Connell
    Report
    Jun 1st 2025, 5:35 PM

    @Daniel Gilroy: Yawn. The public vote for them for a reason

    1
    Install the app to use these features.
    Mute Val O'Connell
    Favourite Val O'Connell
    Report
    Jun 1st 2025, 5:40 PM

    @Daniel Gilroy: and you are a loud mouth who wouldn’t have one original train of thought in your head . Labour and Workers party spent decades waffling about revolution and allegiance to Russian. The filth of SF spent decades pretending that the Irish State didn’t exist . While FF and FG and PD brought reforms and prosperity.

    Just because you and your kind failed in life , don’t assume that the rest of the electorate share your warped views

    What have you ever done ?

    1
    Install the app to use these features.
    Mute Val O'Connell
    Favourite Val O'Connell
    Report
    Jun 1st 2025, 5:44 PM

    @Michael Collins: That is some revisionist nonsense . ORA were too busy worrying that their informer status with the British would be blown

    lol. SDLP and John Hume won rights for Catholics while the IRA spent time intimidating Catholics .

    Laughable for you comment with your hero being a traitor who convened the north to support the Treaty and join the IFS army

    They turned their back on the republic , they have no right to claim that they were abandoned . Thye behaved like cowards in 1916-1921

    1
    Install the app to use these features.
    Mute danny larkin
    Favourite danny larkin
    Report
    Jun 1st 2025, 12:20 AM

    Voted no on stopping the sale of Israeli War Bonds but I’m sure he’s a good lad in the community

    291
    Install the app to use these features.
    Mute John Smith
    Favourite John Smith
    Report
    Jun 1st 2025, 1:35 AM

    @danny larkin: Shame he doesn’t have a conscience.

    247
    Install the app to use these features.
    Mute Gerry Lamont
    Favourite Gerry Lamont
    Report
    May 31st 2025, 9:11 PM

    Don’t worry, your unvouched expenses will cover all your mortgage payments with plenty left over.The fact you joined a party who caused the housing problem and have absolutely no idea how to fix it while stating that housing is the biggest issue shows that nothing will change with you in that disgusting party.

    448
    Install the app to use these features.
    Mute Tim Brennan
    Favourite Tim Brennan
    Report
    May 31st 2025, 9:18 PM

    @Gerry Lamont: Grow Every elected politician get the same expenses and add ons.
    The whole Iot of them have their snouts in the trough

    56
    Install the app to use these features.
    Mute Dominic Leleu
    Favourite Dominic Leleu
    Report
    Jun 1st 2025, 10:15 AM

    @Gerry Lamont: yes as long as it stays in the family.

    82
    Install the app to use these features.
    Mute Jb Walshe
    Favourite Jb Walshe
    Report
    May 31st 2025, 9:37 PM

    Propaganda from the machine….puke it out,don’t lap it up

    354
    Install the app to use these features.
    Mute Gerard Carey
    Favourite Gerard Carey
    Report
    May 31st 2025, 9:31 PM

    Is he a Teacher?

    229
    Install the app to use these features.
    Mute Desmond Lyons
    Favourite Desmond Lyons
    Report
    Jun 1st 2025, 1:07 AM

    @Gerard Carey: after saying ‘ would have went’? I hope not!

    66
    Install the app to use these features.
    Mute Paul
    Favourite Paul
    Report
    May 31st 2025, 9:41 PM

    Another crook in waiting

    349
    Install the app to use these features.
    Mute Raymond Burke
    Favourite Raymond Burke
    Report
    May 31st 2025, 10:05 PM

    I’m not even that much older but jesus this guy is tone deaf.

    313
    Install the app to use these features.
    Mute Paul Byrne
    Favourite Paul Byrne
    Report
    May 31st 2025, 9:40 PM

    A crupt west Brits like is leader

    337
    Install the app to use these features.
    Mute David Owens
    Favourite David Owens
    Report
    May 31st 2025, 10:12 PM

    lol !

    169
    Install the app to use these features.
    Mute Shearer
    Favourite Shearer
    Report
    Jun 1st 2025, 3:58 AM

    Obama !!!
    Give us a break

    151
    Install the app to use these features.
    Mute Shearer
    Favourite Shearer
    Report
    Jun 1st 2025, 3:57 AM

    Obama !!!
    Give us a break

    143
    Install the app to use these features.
    Mute jn
    Favourite jn
    Report
    Jun 1st 2025, 5:18 AM

    (A) look their brown envelope on my desk lots of cash in their and note write a juicy pro fffg story (B)should I go up up and check my managers bin bin for brown envelope because I really don’t like putting my name to such …….. story about fffg. signed Jane

    138
    Install the app to use these features.
    Mute phynes1
    Favourite phynes1
    Report
    Jun 1st 2025, 7:02 AM

    A clone. Stood on my doorstep, told me one thing, and now say the complete opposite.

    99
    Install the app to use these features.
    Mute Fergus O'Donnell
    Favourite Fergus O'Donnell
    Report
    Jun 1st 2025, 11:38 AM

    @phynes1: that’s what FFG do.

    87
    Install the app to use these features.
    Mute padraig o heanachain
    Favourite padraig o heanachain
    Report
    May 31st 2025, 9:54 PM

    O Cuiv would be excellent. He has vast experience at home and abroad.
    Very sure footed on the international stage. Very well respected across the country and and beyond including Northern Ireland ,England and United States.

    84
    Install the app to use these features.
    Mute Paul Gorry
    Favourite Paul Gorry
    Report
    Jun 1st 2025, 3:54 AM

    @H Woo: Woo hoo, the same aul speil. Go lick a fffg politican. And throw a labour one in for dessert..

    141
    Install the app to use these features.
    Mute Gary Kearney
    Favourite Gary Kearney
    Report
    Jun 1st 2025, 7:59 PM

    @padraig o heanachain: Too old school catholic FF and would not work with the younger people in the country.
    Michael D did because he could talk to them and not lecture them.
    Besides we don’t want another Dev i the Aras!

    81
    Install the app to use these features.
    Mute Mies Valkenburg
    Favourite Mies Valkenburg
    Report
    Jun 1st 2025, 12:01 PM

    Only a Fianna Failer would name their son Albert.

    84
    Install the app to use these features.
    Mute Minnie Mouse
    Favourite Minnie Mouse
    Report
    May 31st 2025, 9:25 PM

    Dear Baby Jesus, Mary, Joseph and the wee donkey! I have never read a less inspiring, less motivating and less original interview with any Irish politician – and that is saying something! This guy comes across as something fired in a mould in FF HQ. A sleeveen. The McDonalds of politics. No originality, no ideas except to promote the continuance of Ó Cuiv in our national politics. He doesn’t t want to pre-empt the outcome of the FF selection process for their Presidential candidate but happily tries to do so by pushing Ó Cuiv on us. Just try to get your head around the fact that this guy is costing us about €350,000 per year to represent us.

    94
    Install the app to use these features.
    Mute Ekumbe Adesiyan
    Favourite Ekumbe Adesiyan
    Report
    May 31st 2025, 9:34 PM

    Wow, he’s so down to earth and cool. Great to see someone my age in politics, I think its really groovy. I’m totally going to vote for this guy and his party. He’s speaking about the issues that matter to me. He just gets it, y’know? What a great guy.

    34
    Install the app to use these features.
    Mute Gerard Carey
    Favourite Gerard Carey
    Report
    May 31st 2025, 9:40 PM

    @Ekumbe Adesiyan: Absolutely.

    19
    Install the app to use these features.
    Mute Basildon Joe Top Boy
    Favourite Basildon Joe Top Boy
    Report
    May 31st 2025, 9:41 PM

    @Ekumbe Adesiyan: he’s mugging you off mate, he may be giving handouts now and free houses but the country is falling apart

    30
    See 2 more replies ▾
    Install the app to use these features.
    Mute Ekumbe Adesiyan
    Favourite Ekumbe Adesiyan
    Report
    May 31st 2025, 10:09 PM

    @Basildon Joe Top Boy: Yep

    4
    Install the app to use these features.
    Mute Jack Hayes
    Favourite Jack Hayes
    Report
    Jun 1st 2025, 10:14 AM

    @Ekumbe Adesiyan: You’re a racist pıg troll.

    85
    Install the app to use these features.
    Mute Blue Moon
    Favourite Blue Moon
    Report
    May 31st 2025, 11:39 PM

    What an interesting young man. Deeply rooted in politics from a young age and then followed through… Well done..
    It’s a shame we have some comments here denouncing this young lad, all coming from one type of click… Regardless of his affection to a certain party, his enthusiasm shines through. I sincerely hope he rises and shines not only in his particular party , but in politics in general.

    20
    Install the app to use these features.
    Mute dave forde
    Favourite dave forde
    Report
    Jun 1st 2025, 8:47 AM

    @Blue Moon: and this is why we are screwed

    94
    Install the app to use these features.
    Mute Thomas
    Favourite Thomas
    Report
    Jun 1st 2025, 10:12 AM

    @Blue Moon: his enthusiasm certainly shone through when he voted down banning the sale of Israeli war bonds. I hope he likes blood on his hands.

    88
    Install the app to use these features.
    Mute Padraig O'Brien
    Favourite Padraig O'Brien
    Report
    May 31st 2025, 9:43 PM

    To quote the Great Joe Dolan (not the Mulligar moron)
    Oh Mrs. Dylan, your son he isn’t working!

    28
    Install the app to use these features.
    Mute Jb Walshe
    Favourite Jb Walshe
    Report
    May 31st 2025, 9:51 PM

    @Padraig O’Brien: shameful comment,Mullingar joe Dolan achieved far more than you have,and your ma probably fancied him as well

    28
    Install the app to use these features.
    Mute Mary Loftus
    Favourite Mary Loftus
    Report
    May 31st 2025, 11:06 PM

    Top man Albert Dolan.

    10
    Install the app to use these features.
    Mute Padraig O'Brien
    Favourite Padraig O'Brien
    Report
    Jun 1st 2025, 12:55 AM

    Jb Walshe. What exactly did Mullingar Joe Dolan “achieve”?

    2
    Install the app to use these features.
    Mute Ciaran Mcguinness
    Favourite Ciaran Mcguinness
    Report
    Jun 1st 2025, 4:38 PM

    The best of luck to him

    1
    Install the app to use these features.
    Mute timothy obrien
    Favourite timothy obrien
    Report
    Jun 2nd 2025, 8:56 AM

    Once a ff politician gets elected history has shown all aspirations go out the window when they get a taste of the gravy train

    1
    Install the app to use these features.
    Mute Ekumbe Adesiyan
    Favourite Ekumbe Adesiyan
    Report
    Jun 1st 2025, 5:52 PM

    Yikes

    1
Submit a report
Please help us understand how this comment violates our community guidelines.
Thank you for the feedback
Your feedback has been sent to our team for review.
JournalTv
News in 60 seconds