How to increase deep sleep
- how deep is rem sleep
- how long is rem sleep
- how long is rem sleep supposed to last
- how long is rem sleep supposed to be
What is core sleep.
Deep Sleep Versus REM Sleep: A Comprehensive Comparison
Deep Sleep vs REM: Understanding Sleep Cycles
Understanding the sleep cycles is key to understanding deep sleep vs REM sleep.
Sleep is made up of stages that the body goes through multiple times during the night, NREM and REM. A sleep cycle is 90 minutes long and can repeat 4-6 times during the night. Individuals enter stage 1 NREM sleep immediately after they fall asleep.
This is the whole sleep experience you need for overall health and wellness.
NREM is further divided into 3 levels: N1, N2 and N3. Falling asleep occurs in Stage 1, also known as N1, which is the initial phase of sleep where you drift in and out of consciousness.
What is rem sleep
This stage usually lasts a few minutes. N2 follows and is deeper relaxation and decrease in bodily functions, this makes up about 50% of total sleep time. N3 also known as deep sleep is the most restorative stage of NREM, for physical recovery, growth and immune function.
This stage takes up about 20-25% of the sleep cycle and is where the body gets the rest it needs to regenerate.
On the
- how long is rem sleep usually
- how long is rem sleep in babies