Millet and milk, because of the higher proportion of tryptophan in their proteins, are more conducive to improving amino acid balance and conducive to sleep than foods such as meat. When eating more fat, total sleep time may decrease.
Obese people tend to sleep shorter, which may also be related to a preference for fatty foods. Studies have found that under the premise of a high GI diet, increased protein intake shortens sleep duration, increases wakefulness before sleep and after waking up.