Back to dreem.com
Understand your sleep
Select a sub category
Classification of sleep stages
What is sleep fragmentation?
Understanding sleep stages
Understanding deep sleep
Understanding Rapid Eye Movement (REM) sleep
Common sleep concerns
Waking up too early or in the night
I slept better when I was younger
Difficulty falling asleep
How many hours sleep do I need?
My hypnogram says that I was in REM stage whereas I was awake