,The patient's sleep patterns consist of going to bed between 9.00 and 10.00 p.m. and awakening in the morning between 5.00 and 6.00 a.m.  She reports difficulty in initiating sleep and then recurrent awakenings every 1 to 2 hours throughout the night. 
,The patient 's sleep patterns consist of going to bed between 9.00 and 10.00 p.m. and awakening in the morning between 5.00 and 6.00 a.m. She reports difficulty in initiating sleep and then recurrent awakenings every 1 to 2 hours throughout the night .