Not exact matches
Theta waves, with high amplitudes and frequencies falling between those of delta and alpha waves, normally appear in adults
during light
sleep and
meditation.
Delta waves (1.5 Hz to 4 Hz), for example, are produced
during deep
sleep, theta waves (4 Hz to 12 Hz) occur
during running and deep
meditation, and gamma waves (25 Hz to 100 Hz) are associated with excitement and concentration.
EEG analysis shows that brain activity
during meditation is actually very similar to that
during sleep.
A 2005 meta - analysis confirmed that floating is an effective stress - relief activity and that it was at least as effective (or more effective) than relaxation exercises and some types of
meditation, (4) while a 1999 study showed an increase in Theta waves
during floating (the same waves found in REM
sleep and
meditation).
Being guided by the
meditation suggestions in the book kept my
sleep and stress levels on track
during a hectic time in my life.
Researchers from Harvard University have found that practicing mindfulness
meditation during the day can promote better
sleep too.
Delta brainwaves have also been observed by scientists in the brains of experienced meditators, especially
during deep
meditation and also
during the deepest levels of
sleep — in both cases when the body and mind are both extremely relaxed, calm and quiet.
Using the iRest ®
meditation program
during nighttime awakenings may also help people to fall back to
sleep more quickly.