When you’re having a difficult time sleep can be the first thing to be affected.
There are lots of free apps which can help you unwind and feel more relaxed, ready for sleep. Here are a couple of examples which can be used on an iPhone, iPod touch and iPad:
CSON Lite provides two very realistic sounds of nature: Calm Ocean and Mountain Stream..
eSleep Lite it allows you to select one background “music” track and up to three “noise” tracks. It also will let you record your own soothing sound to be played as a “noise” track.