Many people boast about how much sleep they get per night, but what they often ignore is the quality of that sleep. While getting your nightly 8 hours is certainly critical, so is experiencing all the sleep cycle stages, which includes light sleep, slow wave sleep,...
There are 4 stages of sleep that people undergo throughout each sleep cycle, which typically lasts about 90 minutes. There is light sleep, which is characterized by low frequency brain waves. This state acts as a transitional phase into the deeper sleep states. Deep...
