If you’ve pulled an all-nighter studying and found yourself mindlessly shoving crunchy, sugary snacks into your mouth, then maybe you don’t think this study needed the funding. March is Sleep Awareness Month, and a new study published in the journal Sleep is reminding us that the effects of crummy sleeping habits are more widespread than many of us think. In the small study out of the University of Chicago, men and women were fed the exact same meals on 7.5 hours of sleep and 4.5 hours of sleep. The sleepier group didn’t just report higher levels of hunger, which many other studies have confirmed. Their blood tests showed higher levels of a hormone called endocannabinoid 2-arachidonoylglycerol, or 2-AG. Notice anything familiar in that first word? 2-AG is a chemical signal that impacts appetite and this endocannibinoid is also stimulated by smoking cannabis – leading to the famous marijuana munchies. “They had a stronger desire to eat and thought they could eat more,” said the study’s lead author, and when given access to a buffet, the tired subjects ate nearly twice as much fat as when they had slept for eight hours. |
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