Prepare short versions for late nights, weekends, travel and events, and decide what continues after day 30.
- DAY 22
Write a five-minute version
Write a version of your routine that takes five minutes or less, such as phone on charger, teeth, lights off, and test it tonight after your chosen moment.
Hard day: Write the five-minute version without testing it yet.
Having a short version ready means a late night still includes the routine instead of skipping it.
- DAY 23
Plan weekend bedtimes
Write your Friday and Saturday bedtimes, keeping them close to your weekday target, and note whether your cue happens at a different time on weekends.
Hard day: Write your Friday bedtime only.
Health guidance recommends keeping the same bedtime and wake time on weekends, which also keeps your evening cue familiar.
- DAY 24
Pack a travel sleep kit
Put a few routine items in your travel bag, such as a printed book, earplugs or an eye mask, and write your travel version on your card.
Hard day: Write the travel version in one line.
Unfamiliar rooms remove your usual cues, so a small kit brings part of your routine with you.
- DAY 25
Plan for an evening event
Look at the next two weeks, find one evening event, and write the time you will leave and the short version you will use when you get home.
Hard day: Write the event and your planned leaving time.
Planning the exit and the short routine in advance turns a disruptive evening into one with a clear plan.
- DAY 26
Script your restart
Write the sentence you will use after a missed evening, such as "Tonight after your chosen moment, I do the five-minute version," and keep it on your card.
Hard day: Say the restart sentence out loud once.
In a well-known habit study, missing one opportunity did not materially change the habit formation process, so returning the next evening is what counts.
- DAY 27
Test the cue alone
Turn off your wind-down alarm for tonight and see whether your cue alone leads you into your routine, then note the result.
Hard day: Leave the alarm on but note whether you started before it sounded.
Checking whether the evening moment itself prompts the routine shows how much it still depends on the alarm.
- DAY 28 · REVIEW
Week four review
Read your check-ins from days 22 to 27, including the alarm test. Change one thing that would make the routine sturdier for the next month.
Hard day: Read the day 27 check-in and write one change.
A review focused on sturdiness prepares the routine for normal life after the daily prompts end.
- DAY 29
Choose your next month
Decide one direction for the next 30 days: keep the routine as it is, extend the quiet activity, or move your target bedtime by 15 minutes. Write the choice on your card.
Hard day: Circle one of the three options.
Choosing a single direction avoids stacking several changes onto a routine that is still settling.
- DAY 30
Write your routine card
After your chosen moment, do your full routine, then write a clean card with your order, your five-minute version and a date two weeks away to review it again.
Hard day: Do the five-minute version and set the two-week reminder.
How long a routine takes to feel automatic varies widely between people, so a later check shows progress that 30 days cannot promise.