Phone Overuse Self-Check: 10 Questions to See Where Your Use Is Costing You

When you start to suspect you are on your phone more than you want to be, the useful question is not “how many hours?” but “where is it actually costing me?” The ten items below take about a minute to count. This is not a medical screening tool — it is a way to decide what to change first.

For context: almost everyone is in the same position

In a survey of 606 working adults in Japan by Job Soken (Persol Career, November 2024), 74.3% said they thought they were overly dependent on their phone — rising to 80.4% among people in their twenties — and 77.6% of them said they wanted to cut back. Average reported use was 264.7 minutes a day, while the amount respondents felt they could accept was 197.2 minutes. The gap between actual use and the amount people are at peace with is more than an hour.

MMD Institute’s 2024 survey of 10,000 people aged 18–69 found 23.4% describing themselves as heavily reliant on their phone and 39.1% as somewhat reliant — 62.5% combined. If several of the items below apply to you, that is the ordinary case, not an alarming one.

The 10 items

Count the ones that apply. Judging each by “did this happen at least twice a week over the past two weeks?” keeps you from being swayed by one memorable evening.

1. The first thing you do after waking up is look at your phone.
2. You go 30+ minutes past what you intended, several times a week.
3. Your bedtime gets pushed later than planned because of your phone.
4. You turn the screen on to check it when no notification has arrived.
5. You finish scrolling without being able to say what you just saw.
6. You check your phone mid-task and then need time to get back into the work.
7. You reach for it during meals, conversations, or while walking.
8. You sometimes feel tired, low or anxious after a long session.
9. You feel uneasy when the phone is not within reach and go looking for it.
10. You have decided to cut back before and were back to normal within days.

Reading your count

The number itself has no clinical meaning. Use it to choose your next move.

0–2: nothing is costing you right now

What matters is not raw hours but whether something is suffering. If your sleep, work and mood are fine, there is no need to force a reduction. Just revisit items 3 (sleep) and 6 (focus) occasionally.

3–5: pick one time of day and fix that

This is where most people land. Rather than trying to reduce everything, carve out the one window that is causing trouble. If it is the evening, start with the steps in how to stop using your phone before bed. If it is work hours, start with notifications.

6–8: build distance into the setup

There is not much room left for adjusting by intention alone. Switch to changing conditions outside yourself: where the phone physically sits, removing icons from the Home Screen, making specific apps unopenable during specific hours. What each kind of tool can and cannot do is covered in Screen Time vs app blockers.

9–10: judge by the disruption, not the count

At this point the deciding factor is whether your sleep, work, studies or relationships are actually being disrupted — not how many boxes you ticked. If the disruption continues and you do not feel able to turn it around on your own, it is reasonable to treat it as more than a time-management problem and talk to a healthcare professional or a public counselling service. Heavy phone use often sits alongside other things, such as short sleep or a persistently low mood.

Knowing and changing are two different things

SHIBUYA109 lab.’s survey of 574 people aged 15–24 (published March 2026) found 62.2% experiencing “phone fatigue” and 67.6% wanting to reduce the time they spend on social media. In the same survey, more than 70% were already doing something about it — walking, reading, going to the cinema.

Still, awareness does not convert into hours by itself. After the city of Toyoake introduced an ordinance on appropriate smartphone use, its follow-up resident survey found 24.5% saying they had become more conscious of their use, while only 3.4% said their usage time had gone down. So treat your score as material for deciding which condition to change, not as a reason to try harder.

One thing to do after counting

Look at the items you ticked and choose the single one that bothers you most. Trying to fix all of them ends in three days. For that one item, decide which lever you will pull — the time of day, the physical location of the phone, or the prompt that opens it (notifications, Home Screen) — and run it for one week. Count the same ten items again afterwards, and the change becomes something you can see.

Sources

• Job Soken (Persol Career), “2024 Survey on Smartphone Dependence” (606 working adults, surveyed November 2024): https://prtimes.jp/main/html/rd/p/000000227.000013597.html
• MMD Institute, “2024 Regular Survey on Smartphone Dependence” (10,000 people aged 18–69, surveyed July 2024): https://mmdlabo.jp/investigation/detail_2358.html
• SHIBUYA109 lab., “Survey on Generation Z’s Attention Detox” (574 people aged 15–24, published March 2026): https://prtimes.jp/main/html/rd/p/000000403.000033586.html
• City of Toyoake, resident survey on the ordinance promoting appropriate smartphone use: https://www.city.toyoake.lg.jp/22107.htm

This self-check was written by us based on publicly published surveys. It is not a clinically validated instrument and is not intended for diagnosis or treatment. If difficulties persist, please consult a medical professional.