i have done cycles before but am currently off for 6 months. my doctor said i have high blood pressure . now the question i have is i took a pill of hydroclorthizide and i woke up in the morning . i feel realy drowsy and tired all the time i keep on falling a sleep. major lethargy what is the problem this is day 1 of the blood pressure pill i took yesterday. i feel like shit keep on falling a sleep what is this a sign of. thanks help