Complex sentence: It is an ideal benzodiazepine for this use, because its fast onset of action and short half-life, it puts one to sleep for not more than 1.5 hours (approximately 1--2 hours) allows its user to avoid morning drowsiness.
Split into simpler sentences: It is an ideal benzodiazepine for this use because its fast onset of action and short half-life. It puts one to sleep for not more than 1.5 hours (approximately 1--2 hours), allowing its user to avoid morning drowsiness.