memory

For ages and ages, human beings followed the rhythm of the sun… going to sleep when the sun went down and rising with the sun in the morning. Our circadian rhythm was in concert with the earth and ensured that we got deep, restorative sleep in order to face the next day.   These days, artificial lighting and long work days mean that most people (myself included!) have some sort of sleep abnormality and/or circadian rhythm disruption. Although we know that lack of sleep causes everything from memory problems, fatigue, decreased concentration, stress, and increased food cravings, a recent study