by drcatherinedarley | Oct 28, 2010 | body clock, circadian rhythm, Light therapy, melatonin
It’s been fun to talk with people suffering from Delayed Sleep Phase over the last couple days. There’s been some questions about shifting sleep phase using light therapy and melatonin supplements. The timing of these therapies depends on whether you...
by drcatherinedarley | Oct 25, 2010 | body clock, circadian rhythm, performance, shiftwork, Uncategorized
An ‘Owl’ is someone whose body clock is set to sleep later than average, and a ‘Lark’ is someone whose set to sleep earlier than average. It is your inherent melatonin rhythm and temperature rhythm that determine when you sleep. Being an Owl or...
by drcatherinedarley | Jul 20, 2010 | behavioral treatment, circadian rhythm, Light therapy, melatonin, performance, sleep
What is a zeitgeiber??? The word ‘zeitgeiber’ comes from the German language, and means ‘time giver.’ Zeitgeibers are clues in the external world that help keep our internal body clock in sync with the 24 hour day/night rhythm. This word is...
by drcatherinedarley | Dec 11, 2009 | bedroom, health education, performance, shiftwork, sleep
About 20% of Americans do shiftwork, starting work either in the late afternoon or in the middle of the night. Their health suffers, and their relationships can suffer too. If you are on a shiftwork schedule, here are some strategies to manage the shiftwork...
by drcatherinedarley | Nov 23, 2009 | behavioral treatment, circadian rhythm, cortisol, insomnia, neurotransmitters of sleep
Cortisol is an intrinsic hormone we all have. It is secreted by the adrenal glands on a regular daily basis. There is a daily fluctuation in levels, called it’s circadian rhythm. Cortisol should be low at night while we sleep. It rapidly rises in the early...
