Work thoughts crowd sleep because open loops, bright light and late pings keep the brain on. I share routines I actually use: a tomorrow list, gentle wind-down, in-bed tactics, and daytime fixes.

Short answer. Here is what I actually do: park tomorrow's tasks on paper and put the phone outside. In bed I give my brain a boring job, like slow counting. If I am awake a while, I get up and keep lights low, then return only when sleepy.
In short:
Brains chase open loops. When the house finally goes quiet, all the half-written emails, the one awkward reply you postponed, and tomorrow's unknowns slide into focus, and your body treats them as jobs still on your desk. I see the same pattern in my room most weeks, as if silence points a torch at unfinished work and invites the mind to keep going long past any useful hour.
Light keeps you on. Bright screens and late messages send day-time signals, and open tabs keep you leaning forward, while even a modest evening coffee stretches alertness; then the bed feels like a boardroom in the dark where your mind keeps rehearsing without end. I would rather prevent that by setting up the evening earlier, so there is less to wrestle with at 2 a.m., and more chance your bed stays a bed.

Make a landing strip. Ten minutes before bed, I grab a cheap pen and write tomorrow's top tasks on paper at the kitchen counter, messy and short, so my head has somewhere safe to park them till morning. You are telling your brain there is a container it can trust, and that you will return to it in daylight rather than at 2 a.m.
Close the laptop earlier than you expect and move into a small wind-down you repeat most nights. Turn down overhead lights, splash warm water on your face, set out morning clothes, close the blinds, then put your phone to charge outside the bedroom. Boring is kind here; sameness becomes a cue your body recognises without debate.
Start with gentle permission. Minds will think in the dark, and pushing hard against a thought often makes it kick back, so I keep a scrap of paper by the bed, jot a one-line reminder with eyes half closed, and tell myself, 'Tomorrow, friend'. Then I turn back to breathing out longer than I breathe in, even if it feels clumsy.
Give your brain a job it cannot worry with and cannot win at. Count by twos, or picture folding a stack of towels corner to corner, slowly, and let it be imperfect. If the quiet feels like loneliness more than worry, this may steady the room: How can I be alone without feeling lonely?.
If I am awake a while, I get up. I sit in another room with a dim lamp and something slow I have already read, skip the clock, and return only when my eyes feel heavy, because beds learn and I want yours to learn sleep.
Your day writes night. If late pings keep arriving, the change lives in daylight: a sentence you can actually say, small routines you will keep, auto-replies that state hours, delay-send on emails, and moving the charger out of the bedroom. None of that looks grand. It reduces the number of decisions you face at 11 p.m., which is the point.
Use one clear line and stick to it: 'I close at 8. If you message later I will see it in the morning and reply by noon.' Say it once in a calm moment, then follow it for a week. If pushback worries you, draft the exact words in daylight and practise them in the lift lobby before you go home.
Watch the daytime story. When mornings feel bleak, output slips while self-criticism rises, and Sundays bring a pit in the stomach, the trouble may sit inside work or mood rather than your bedtime, and that deserves attention in daylight. If you are weighing labels and what to ask for, start here: Am I depressed or anxious?.
Breathing pauses, loud snoring, reflux, heavy alcohol close to lights-out, or new medicines can also keep you up, so ask a doctor who knows sleep and mood what to check and what to change.
Coffee plays tricks well past the afternoon. If caffeine might be part of it for you, stop earlier for a week and read this for a clearer picture: Is it normal to feel anxious after drinking coffee?.
Keep it small tonight. Write a three-line tomorrow list, put the phone to charge outside the bedroom and leave the charger there, switch off bright ceiling lights, use a small lamp, and in bed give your brain a dull job and let it be imperfect. You are setting up the next hour, not your year.
If you stay awake a while, get up. Sit in a quiet corner with a slow book or an old episode you already know, lights low, skip the clock and return to bed only when your eyelids feel heavy.
If you want company while you test this, a first conversation is thirty minutes and free. For tonight, write one line for tomorrow and leave your phone outside the door, then turn off the big light.
Should I get out of bed if I'm awake thinking about work?
Yes, after a while. Lying there annoyed trains your bed to mean wakefulness. Get up and keep lights low. Sit somewhere dull with something slow you already know, and return only when sleepy. Skip the inbox and bright screens. You are teaching your body that bed equals sleep. One calm repetition helps more than a dramatic effort once.
Does a tomorrow list before bed actually help?
Often. A short, handwritten list moves open loops onto paper so your brain stops serving them at midnight. Keep it tiny and specific, and resist planning the whole week. You are promising yourself you will pick it up in daylight. That simple promise calms more than any pep talk, and it takes a short time you can repeat most nights.
What do I say to a manager who messages late?
Use one steady sentence and keep repeating it: 'I close at 8. If you message later I will see it in the morning and reply by noon.' Add an auto-reply with your hours, and use delay-send on emails you draft at night. If you fear pushback, rehearse the exact words in daylight, then follow them for a week.
Is melatonin or sleep medication the answer here?
Sometimes medicines change sleep pressure. Decisions belong with a doctor who knows your health and current medicines. If you try one, keep the routines too: the tomorrow list, a steady wake time, phone outside, and low light. Pills can make space while the work loop usually shifts with daylight boundaries and practice. Keep both tracks going while you test.
What if I wake at 3 a.m. every night?
Treat it as a pattern you can work with. Skip the clock. Do the same low-light, low-input routine each time and return to bed when you feel sleepy. Test earlier caffeine and alcohol timing in daylight. Ask your partner about snoring or breathing pauses if they have noticed anything. Small daytime edits often shift the 3 a.m. wake.
Written by Satlaj Sachan, a counsellor in Bengaluru working Book a first conversation.