I can't sleep it's 3.30 am and have to be up at 6am for a 10 hr shift is this insomnia I also did a week of night shifts last week.

Insomnia. It sounds like that you have insomnia and may be related to the shift that you work. There are medications that I recommended the patient will have drowsiness as a result of shift working. This can be used during the days. To help sleep better at night, I recommend starting with natural supplements such as melatonin, chamomile, and lavender spray. Your physician may also recommend a short acting sleepy medication depending on the number of hours that she required to sleep. I recommend talking which your primary care physician or seeing a neurologist who specializes in sleep medicine.