1. Periods and Functions of Sleep
These initial stages of sleep are also classified by measurable, physiological changes such as a slowing heart rate and the relaxation of skeletal muscle. Stages three and four of NREM sleep are associated with even deeper relaxation than stages one and two and it is at this stage where our heart rate and respiration activity becomes slow and regular, and brain activity recorded on the EEG becomes slow and synchronized. ...
- Word Count: 3321
- Approx Pages: 13
- Has Bibliography
- Grade Level: Graduate