Sleep (15)

What are sleep stages and why are they important?

What happens in each sleep stage?

What is the difference between an awakening and a disturbance?

What is core sleep?

What does circadian rhythm and window mean?

What is a nap?

What is a sleep episode?

How much sleep do I need?

Can the sleep information displayed in the app tell me if I have sleep apnea or any other sleep disorder?

What is sleep onset latency?