It can be brought on by worry, discomfort, illness, certain medications and medical conditions, an unsettled baby, sleeping in a new place, jet lag or disturbances due to noise (such as a snoring partner!).
It can be brought on by worry, discomfort, illness, certain medications and medical conditions, an unsettled baby, sleeping in a new place, jet lag or disturbances due to noise (such as a snoring partner!).