Oversleeping
Oversleeping was the act of remaining asleep longer than one planned or ought to if one wished to be on time for an appointment or one's duty shift. 

In 2369, William T. Riker overslept numerous times aboard the , as a result of being abducted by solanogen-based lifeforms. ()

In 2370, Data overslept soon after experiencing a series of nightmares. ()

Later that year, Dr. Julian Bashir asked a replicant of  if he had been oversleeping. ()

In 2373, B'Elanna Torres overslept as a result of intense dreams telepathically implanted by Korenna Mirell. ()

In early 2374, Torres again overslept, having forgotten to tell the computer to awaken her. ()

In 2375, Worf overslept aboard the ; Jean-Luc Picard flippantly said he'd refrain from court martialing him. ()

In 2376, The Doctor asked Kathryn Janeway if she had overslept when she turned up during the afternoon for her inoculation against neutron radiation. ()

Some months later, Tom Paris facetiously suggested that a hologram of the Oracle of K'Tal might have overslept, hence the pajamas he was wearing in one of Tuvok's sabotaged holoprograms. ()

Medical conditions