In fact, sleep disorder treatments and chronobiological interventions intended to restore normal circadian rhythms, including light exposure therapy, have been shown to improve ADHD symptoms. (sciencedaily.com)
Just as it is critical that cats experience periods of dark to maintain normal circadian rhythms, they must also have periods of quiet, so do not leave music playing 24 hours a day. (aspcapro.org)
He discovered a second clock gene, called timeless, that encodes another protein, TIM, which is required for a normal circadian rhythm. (scientificamerican.com)