There are two main types of sleep, REM sleep and non-REM sleep, and non-REM sleep in turn is divided into four stages. But how are these various kinds of sleep distributed over the course of a night? In what order do they occur? Are they repeated several times?
Explore the many aspects of sleep and its importance to overall daily function and long-term health.
A longitudinal curriculum designed to teach children in early primary school a variety of basic science and health concepts.
An interactive tutorial about the brain and disorders of the brain with photos, graphic images, and sound.
The National Institutes of Health (NIH) Curriculum Supplement Series provides interactive teaching units that combine cutting-edge science research discoveries from the NIH with state-of-the-art instructional materials. Each supplement is a teacher's guide to two weeks of lessons on science and human health.
Copyright © 2012 Society for Neuroscience *Some pages on this website provide links which require Adobe Reader to view.
Feedback sent. Thank you.
There was an error sending your feedback. Please try again later.
There was an error validating the reCAPTCHA. Please try again later.