Posted by mrsleepypants on August 22, 2008 at 09:50:58:

In Reply to: Crave sweets on bad narc days? posted by apryl on July 21, 2008 at 22:26:37:

Here's something off Wiki that might make sense if you're familiar with the discovery of Hypocretin/orexyn and it's affiliation with N:

Food intake
Orexin increases the craving for food, and correlates with the function of the substances that promote its production.

Leptin is a hormone produced by fat cells and acts as a long-term internal measure of energy state. Ghrelin is a short-term factor secreted by the stomach just before an expected meal, and strongly promotes food intake.

Hypocretin-producing cells have recently been shown to be inhibited by leptin (by leptin receptors), but are activated by ghrelin and hypoglycemia (glucose inhibits orexin production). Orexin/hypocretin, as of 2007, is claimed to be a very important link between metabolism and sleep regulation. Such a relationship has been long suspected, based on the observation that long-term sleep deprivation in rodents dramatically increases food intake and energy metabolism

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• Re: Crave sweets on bad narc days? SleepFighter 21:20 9/25/08 (0)

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