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High content of protein and salt in food cause post-meal sleepiness, claims study

Currently reading: High content of protein and salt in food cause post-meal sleepiness, claims study
India TV Lifestyle Desk, New Delhi [Published on:23 Nov 2016, 11:53:57]

A new study suggests that higher content of salt and protein in our food often leads to post-meal sleepiness.

A system has been created by researchers at the Scripps Research Institute in the US to measure both the sleep and feeding behaviours of individual fruit flies. They have discovered that, in much the same way as humans, the insects sleep for longer periods following larger meals.

The findings also reveals that certain types of food can promote post-meal sleep.

To better understand this relationship, William Ja and his team created the Activity Recording CAFE (ARC), a system for flies that enables visual tracking of food consumption and insect motion.

Recordings of fruit flies' behaviour from this system revealed that after eating a meal, the insect sleep more before returning to a normal state of wakefulness.

The sleep period generally lasts around 20 to 40 minutes, with flies that eat larger portions generally sleeping more.

To determine if individual nutrients could modulate post-meal sleep, the team gave the flies food consisting of protein, salt or sugar.

The study, published in the journal eLife, found that only protein and salt were effectors of post-meal sleep, suggesting that this form of sleep can indeed be regulated by specific food types.

"The ARC provides a starting point for future studies aimed at uncovering the exact genes and circuits that enable meal size, protein and salt to drive sleep," Ja said.

"As sleep is a vulnerable state for animals in nature, it will be interesting to discover why post-meal naps are necessary," Ja added.

(With agency input)

Salt and protein contribute in a big way- India Tv
Salt and protein leads to sleepiness- India TV