Nighttime snacking can set up a vicious loop that keeps you eating more and sleeping less. Late-night snacking has been shown to increase cravings for junk food and disrupt sleep patterns, making it more likely that you’ll conduct another midnight raid of the fridge. Overeating can lead to obesity and that also can cause problems with sleep. Source Link
Most of us have thrown out food based on expiration dates, but you might not need to trash it. Milk is typically safe for two to three days after the “sell by” date, as are many perishables once they’ve been refrigerated. But if something smells bad, curdles or turns a suspicious color, toss it. Source Link
If you like to scroll through your smartphone or tablet in bed at night, be sure to get lots of sunlight during the day. Research showed that people who had plenty of exposure to daylight were less likely to have their sleep disturbed by a glowing screen. The light from smartphone and tablet screens can confuse your internal time clock and make it harder to fall asleep. Source Link