Actually, you may sleep more than usual during the first trimester of your pregnancy. It’s normal to feel tired as your body works to protect and nurture the developing baby. The placenta (the organ that nourishes the fetus until birth) is just forming, your body is making more blood, and your heart is pumping faster.
It’s usually later in pregnancy that most women have trouble getting enough deep, uninterrupted sleep.The first and most pressing reason behind sleep problems during pregnancy is the increasing size of the fetus, which can make it hard to find a comfortable sleeping position.
If you’ve always been a back or stomach sleeper, you might have trouble getting used to sleeping on your side (as doctors recommend). Also, shifting around in bed becomes more difficult as the pregnancy progresses and you get bigger.
Other common physical symptoms may interfere with sleep as well:
