Even though exercise may be the last thing you're interested in right now, the benefits of exercising during pregnancy are plentiful. Not only will it release endorphins — which will help even out your ever-changing moods and emotions — it will give you a boost of energy during the day and may help you sleep at night. "I tend to have insomnia more frequently on days I don't exercise," notes Leesey262. "Not that pregnant women need something else to do...but a good workout usually ensures I'll sleep better at night!"