Thunderstorm

The Thunderstorm album contains all of the storm sounds you expect, including thunder, rain and wind. This album is excellent ambient noise for an evening of snuggling at home. The repetitive tapping of the rain is perfect for helping you to relax after a hard day, and you can use this album as a sleep aid, as well.

Brainwaves are the electromagnetic waves produced by activity in the brain. The frequency of these waves is measured in cycles per second, or hertz (Hz). Brain-mapping research shows that each of our states of consciousness is associated with a specific pattern of brainwave activity. Brainwaves fall into five classes: Beta (30–13 Hz) is associated with ordinary consciousness and focused awareness; alpha (13–8 Hz) with relaxation and meditative calm; theta (8–3.5 Hz) with creativity, insight, and meditation; gamma (30–85 Hz) with advanced meditation; and delta (3.5–0.5 Hz) with.