Sentences with phrase «orexin levels»

Research has shown lower orexin levels can contribute to drowsiness and inactivity, the first step to a good night's sleep.

Not exact matches

Obesity causes leptin levels to be chronically high, making brain cells less sensitive to its actions, which contributes to the molecular switch that leads to the overproduction of orexin.

We also found that a protein involved in modulating the sleep - wake cycle called orexin / hypocretin also influences Aβ levels in the brain.

It's also been shown that levels of the hormones leptin, ghrelin, cortisol and orexin — all of which are involved in appetite or eating — are affected by lack of sleep.

The quick boost in glucose levels from these naturally sweet foods reduces orexin, a neurotransmitter that triggers the brain to wake you up and get more food!

For example, orexin / hypocretin levels increase during sleep loss (39) and orexin / hypocretin neurons are an important component of sleep — wakefulness and feeding neural systems (40, 41).

The Clock mutants were also shown to exhibit reduced overall expression levels and a blunted diurnal rhythm of orexin mRNA, a hypothalamic neuropeptide involved in energy regulation (2).