Shift Work & Sleep Tool

Night Shift Sleep Planner

Build a practical sleep schedule around your shift start and end times, commute, wind-down period, target sleep duration and optional pre-shift nap.

Overnight shifts supportedPre-shift nap planningPersonalized timelineNo signup
Shift Sleep Planner
Shift duration12 hr
7.5 hours
6 hr7 hr8 hr9 hr

The planner places the nap before your next shift when your schedule allows enough time.

Suggested main sleep

8:00 AM · next day → 2:00 PM · next day

6 hr planned

Suggested pre-shift nap

4:00 PM · next day → 5:30 PM · next day

1 hr 30 min

Total planned sleep

7 hr 30 min

Leave for next shift

6:30 PM · next day

Your schedule

Suggested shift-day timeline

Shift ends

7:00 AM · next day

Arrive home

7:30 AM · next day

Main sleep begins

8:00 AM · next day

Wake from main sleep

2:00 PM · next day

Pre-shift nap

4:00 PM · next day → 5:30 PM · next day

Leave for work

6:30 PM · next day

Next shift begins

7:00 PM · next day

How this planner works

The planner works backward and forward from your shift times, commute, wind-down period and target sleep duration. Split sleep adds a pre-shift nap when enough time is available.

This tool provides general scheduling estimates. It cannot determine your individual sleep requirement or whether you are safe to drive or work.

Shift-work sleep planning

How to plan sleep around a night shift

Night work can place required working hours in conflict with the body's usual sleep-wake rhythm.

A practical night-shift sleep plan needs to account for when work ends, how long the commute takes, how much wind-down time is needed and when the next shift begins.

The DoctorToolsMD Night Shift Sleep Planner uses these real scheduling constraints to calculate a possible main sleep opportunity.

If you choose split sleep, it can also add an optional pre-shift nap where the available schedule permits it.

Planning sleep for a 12-hour night shift

For workers doing schedules such as 7 PM to 7 AM, the time available after commuting home can quickly become limited. Protecting the main sleep window therefore becomes particularly important.

The planner lets you include commuting and wind-down time rather than assuming that sleep begins immediately when the shift ends.

Night-shift sleep and driving safety

A mathematically possible sleep schedule does not guarantee that someone is adequately alert. This planner cannot determine whether you are safe to drive, operate machinery or perform safety-critical work.

DoctorToolsMD methodology

Scheduling support, not a fatigue test

The Night Shift Sleep Planner helps organize available sleep opportunities around real work and commute times.

It does not measure sleep quality, circadian adaptation, fatigue, reaction time or fitness for duty.

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Frequently asked questions

Night Shift Sleep Planner FAQ

When should I sleep after a night shift?+

A practical sleep window needs to account for when your shift ends, your commute home, wind-down time, personal needs and the amount of sleep opportunity available before the next shift.

Should night-shift workers nap before work?+

Some shift workers find a planned pre-shift nap useful. Whether it is practical depends on the individual, the work schedule and the ability to sleep during that period.

Can this planner handle a 7 PM to 7 AM shift?+

Yes. The planner supports overnight shifts that cross midnight, including common 12-hour night-shift schedules.

Can the Night Shift Sleep Planner tell me whether I am safe to drive?+

No. A calculator cannot measure alertness or driving ability. Significant sleepiness before driving or performing safety-critical work should be taken seriously.

Can I use split sleep for night shifts?+

The planner allows a main sleep period plus an optional pre-shift nap when the schedule permits it.

Safety disclaimer

This planner provides general scheduling information. It cannot determine fatigue, fitness for duty or driving safety.

Workplace requirements and individualized professional advice take priority.

Read full Medical Disclaimer →