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Enhancing daily light exposure increases the antibody response to influenza vaccination in patients with dementia

by Admin1 | Dec 2, 2020

Enhancing lighting conditions in institutions for individuals with dementia improves their sleep, circadian rhythms and well-being. Here, we tested whether a greater long-term daily light exposure supports the immune response to the annual influenza vaccination....

Effects of a dawn-dusk simulation on circadian rest-activity cycles, sleep, mood and well-being in dementia patients

by Admin1 | Jun 25, 2019

Light is the most powerful “zeitgeber” signal to synchronize circadian sleep-wake cycles. In dementia, these rhythms are often fragmented — probably due to loss of neuronal function of the suprachiasmatic nuclei (the biological “master clock” in the brain) and/or...

Living in Biological Darkness: Objective Sleepiness and the Pupillary Light Responses Are Affected by Different Metameric Lighting Conditions during Daytime

by Admin1 | Jun 2, 2019

Nighttime melatonin suppression is the most commonly used method to indirectly quantify acute nonvisual light effects. Since light is the principal zeitgeber in humans, there is a need to assess its strength during daytime as well. This is especially important since...

Impact of long-term daylight deprivation on retinal light sensitivity, circadian rhythms and sleep during the Antarctic winter.

by Admin1 | Nov 1, 2018

Long-term daylight deprivation such as during the Antarctic winter has been shown to lead to delayed sleep timing and sleep fragmentation. We aimed at testing whether retinal sensitivity, sleep and circadian rest-activity will change during long-term daylight...

High-accuracy determination of internal circadian time from a single blood sample

by Admin1 | Jun 28, 2018

BACKGROUND. The circadian clock is a fundamental and pervasive biological program that coordinates 24-hour rhythms in physiology, metabolism, and behavior, and it is essential to health. Whereas therapy adapted to time of day is increasingly reported to be highly...

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Enhancing daily light exposure increases the antibody response to influenza vaccination in patients with dementia

Effects of a dawn-dusk simulation on circadian rest-activity cycles, sleep, mood and well-being in dementia patients

Living in Biological Darkness: Objective Sleepiness and the Pupillary Light Responses Are Affected by Different Metameric Lighting Conditions during Daytime

Impact of long-term daylight deprivation on retinal light sensitivity, circadian rhythms and sleep during the Antarctic winter.

High-accuracy determination of internal circadian time from a single blood sample

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Enhancing daily light exposure increases the antibody response to influenza vaccination in patients with dementia

Effects of a dawn-dusk simulation on circadian rest-activity cycles, sleep, mood and well-being in dementia patients

Living in Biological Darkness: Objective Sleepiness and the Pupillary Light Responses Are Affected by Different Metameric Lighting Conditions during Daytime

Impact of long-term daylight deprivation on retinal light sensitivity, circadian rhythms and sleep during the Antarctic winter.

High-accuracy determination of internal circadian time from a single blood sample

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