Because there are benefits to both. Deeper Sleepers tend to be more stable sleepers at night, getting more consistent rest. They can avoid the distractions during sleep and wake up rested even if there was chaos happening during the night. In rough times, they can still be ready to go and alert during the day.

Eating a low-carbohydrate diet or taking certain antidepressants may also promote deep sleep, though more research is needed in this area. Getting enough sleep in general may also increase your deep sleep. Here's some tips: Put yourself on a bedtime schedule where you go to sleep and wake up at the same time each day.

Heavy sleep can be caused by insufficient sleep, low-quality sleep, or a medical condition such as hypersomnia or sleep apnea. It is not permanent, and there are many things you can do to shift to a lighter sleep style. One of the first steps is to improve sleep hygiene, which is vital to enhancing sleep quality.