I have looked into both, yes. Lorazepam has a half life of about 12 hours, so it is out of your body in about 3.5 days. This is why it is so good for sleep; one pill lasts for about 6-8 hours, then it's gone, so you don't feel groggy, the next day.
Klonopin has a half life of 20-50 hours, so it...