How many hours of sleep should a young adult 29 get per night? i've been unable to sleep more than 6 lately

Varies: On average adults need 7-9 hours of sleep per night. Sleep is vitally important to healthy living so you should try to figure this out. It might be something in your diet or the timing of you meals. It could be a scheduling issue that is impacting your sleep. Problems sleeping can be a sign of physical or emotional issues as well. Talk with your doctor to try and sort things out.