It s during this stage of sleep that people often indulge in brief catnaps stage two.
													
																	Stage 1 light sleep. 
									
	
		
	
																	Stage 1 can be considered a transition period between wakefulness and sleep. 
																	During this time there is a slowdown in both the rates of respiration and heartbeat. 
																	This period of sleep lasts only a brief time around five to 10 minutes. 
																	During stage 1 you drift from being awake to being asleep. 
															
													
									
	
		
	
																	See deep sleep stage. 
																	Sleep disorders nrems stage 1 and sometimes stage 2. 
																	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. 
																	Stage 1 of light sleep is the lightest sleep stage and phases of stage 1 sleep are often quite brief. 
															
													
									
	
		
	
																	Stage 2 sleep on the other hand makes up roughly half of a typical night of sleep. 
																	This phase may last for 5 to 10 minutes. 
																	Light sleep is the term for sleep that falls into the categories stage 1 and stage 2. 
																	It s a non rem form of sleep and differs from heavy deep sleep of stage 3. 
															
													
									
	
		
	
																	In addition stage 1 sleep involves a marked decrease in both overall muscle tension and core body temperature. 
																	Sleep stages 1 2 and rem consist of light sleep while 3 and 4 comprise deep sleep. 
																	Stage 1 is the beginning of the sleep cycle and is a relatively light stage of sleep. 
																	Your eyes are closed but it s easy to wake you up. 
															
													
									
	
		
	
																	Heartbeat and breathing slow down further. 
																	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. 
																	Stage 1 makes up a small fraction of total sleep time about 3 and is mainly a transition between waking and stage 2. 
																	Stage 2 is where a lot of the action happens including significant changes to brain activity. 
															
													
									
	
		
	
																	Stage 1 sleep is a transitional phase that occurs between wakefulness and sleep the period during which we drift off to sleep. 
																	Almost all light sleep is stage 2 sleep. 
																	In stage 1 the brain produces high amplitude theta waves which are very slow brain waves. 
																	You are in light sleep. 
															
													
									
	
		
	
																	This is a light nrem sleep that doesn.