by drcatherinedarley | Nov 7, 2014 | body clock, circadian rhythm, Light therapy, optimal sleep, sleep
Now that the nights are longer, it’s time to think about the impact light has on our sleep. And oh, does it have impact! This last month it’s been a pleasure to read two books on light, and human’s historical experience of night – The End of...
by drcatherinedarley | Mar 7, 2011 | circadian rhythm, fall asleep, Light therapy, melatonin, performance, sleep, sleep deprivation
The new Sleep In America Poll came out today, the first day of National Sleep Awareness Week 2011. This poll was all about our use of technology during the hour before bed, our nightly sleep, and daytime function. Here are some of the highlights: – 63% say that...
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 | 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 | Mar 26, 2010 | circadian rhythm, Light therapy, melatonin
Insomnia is an inability to fall asleep easily or stay asleep throughout the night. Delayed Sleep Phase is when a person is on a later schedule than the norm. The tricky thing is that Delayed Sleep Phase can masquerade as insomnia, because it can also cause difficulty...