During stage 1 you drift from being awake to being asleep.
Stage 1 light sleep.
In stage 1 the brain produces high amplitude theta waves which are very slow brain waves.
This is a light nrem sleep that doesn.
See deep sleep stage.
Stage 2 sleep on the other hand makes up roughly half of a typical night of sleep.
Almost all light sleep is stage 2 sleep.
This next stage of non rem sleep is a period of light sleep before you enter deep sleep and it lasts for roughly 25 minutes.
This phase may last for 5 to 10 minutes.
Sleep stages 1 2 and rem consist of light sleep while 3 and 4 comprise deep sleep.
It s a non rem form of sleep and differs from heavy deep sleep of stage 3.
Stage 1 of light sleep is the lightest sleep stage and phases of stage 1 sleep are often quite brief.
You are in light sleep.
Light sleep is the term for sleep that falls into the categories stage 1 and stage 2.
This period of sleep lasts only a brief time around five to 10 minutes.
Here you are in light stage sleep which means that you re somewhat alert and can be easily woken.
Stage 2 is where a lot of the action happens including significant changes to brain activity.
Stage 1 makes up a small fraction of total sleep time about 3 and is mainly a transition between waking and stage 2.
Your eyes are closed but it s easy to wake you up.
Heartbeat and breathing slow down further.
In addition stage 1 sleep involves a marked decrease in both overall muscle tension and core body temperature.
This is the sleep that s a little more choppy shallow not restful says michael grandner md director of the sleep and health research program at the university of arizona in tucson and a fitbit sleep consultant.
During this stage which is also fairly light the brain produces sudden increases in brain wave frequency known as sleep spindles.
During this time there is a slowdown in both the rates of respiration and heartbeat.
Stage 1 sleep is a transitional phase that occurs between wakefulness and sleep the period during which we drift off to sleep.
Stage 1 is the beginning of the sleep cycle and is a relatively light stage of sleep.
It s during this stage of sleep that people often indulge in brief catnaps stage two.