You’ve checked the time four times. None of them made you sleepier.

The time now. The time the alarm rings. The number of hours between them.

You have completed the calculation. What new information would another look give you?

If you need an alarm, check that it is set. Then consider turning the display away.

This is a small experiment in leaving the arithmetic alone, not a test you can fail.

The NHS advises against forcing sleep. It suggests getting up for something relaxing and returning to bed when sleepier.

Choose what is safe and practical for you.

A few pages. Soft music. A comfortable seat.

You don’t need to use the time productively or turn it into tomorrow’s planning meeting.

If the calculations return, notice them. You already know when the alarm is set.

There is nothing more you need to calculate right now.

It can tell you when to get up.

For the rest of tonight, see whether you can let it be a clock rather than a score.