Your sleep schedule

To wake up refreshed at 12:00 PM, go to bed at one of these times.

Each option ends a complete sleep cycle so your alarm catches you in light sleep — not deep sleep. We've added a 15-minute buffer for falling asleep.

4
5:45 AM
4 sleep cycles · 6h sleep
Power-through · short night
6
2:45 AM
6 sleep cycles · 9h sleep
Recovery · catch-up & illness
7
1:15 AM
7 sleep cycles · 10.5h sleep
Catching up on sleep debt
Don't lose this schedule

Recommended bedtime: 4:15 AM

5 cycles · 7.5 hours · matches the AASM & NSF range for adults.

Pre-bed timeline · for a 4:15 AM bedtime

The 90-minute wind-down.

2:45 AM
Last meal & last caffeine cutoff
Eat 2.5h before bed; coffee has a 6-hour half-life.
3:15 AM
Dim screens, dim lights
Drop room lighting below 50 lux. Switch devices to warm/night mode.
3:45 AM
Wind-down ritual
Read fiction, journal, stretch, or shower (a 1.5°C drop helps you fall asleep faster).
4:00 AM
Bedroom prep
Set the alarm, set room to 65–68°F, ensure full blackout.
4:15 AM
Lights out
15-min buffer for falling asleep. Cycle 1 begins ~15 minutes later.
FAQ · 12:00 PM wake-ups

Questions about a 12:00 PM schedule.

Is going to bed at 4:15 AM enough sleep for an adult?
Yes — going to bed at 4:15 AM and waking at 12:00 PM gives 5 complete sleep cycles (7.5 hours), which lands in the recommended 7–9 hour range for most adults aged 18–64.
What if I can't fall asleep by 4:15 AM?
If you're not asleep within 20 minutes, get up briefly. Lying awake conditions your brain to associate bed with wakefulness. The next bedtime down (4 cycles) is still a clean schedule and often better than forcing the recommended one.
Should I keep this schedule on weekends?
Within 30 minutes, yes. "Social jet lag" from weekend sleep-ins is one of the strongest predictors of Monday grogginess.