Sleep & Energy

Practical guides to sleep schedules, sleep debt, chronotype and steady daytime energy: how to set a bedtime, wake up earlier and beat the afternoon slump.

Understand the problem

Afternoon energy

Afternoon Energy Slump: How to Stay Sharp After Lunch

Circadian rhythm

How to Reset Your Circadian Rhythm, Step by Step

Fix sleep schedule

How to Fix Your Sleep Schedule: A Seven-Day Reset

Sleep need

How Much Sleep Do I Need? A Practical Way to Find Your Number

Sleep schedule

Sleep Schedule: How to Build One You Can Actually Keep

Wake up early

How to Wake Up Early and Actually Feel Awake

Compare your options

Bedtime calculator

Bedtime Calculator: Find the Right Time to Go to Bed

Chronotype

Chronotype Quiz: Find Your Natural Sleep and Energy Type

Sleep apps

Best Sleep App: Which Type Fits Your Problem?

Sleep debt

Sleep Debt Calculator: Work Out How Much Sleep You Owe