Long morning grogginess
Sleep inertia lasting over 30 minutes suggests fragmented cycles or insufficient deep sleep.
Caffeine dependence
Needing 2+ cups before noon to function is a red flag for poor sleep architecture.
Frequent awakenings you remember
More than 2–3 conscious awakenings per night is a marker of fragmented sleep.
Snoring or gasping
Possible obstructive sleep apnea — get screened with a home sleep test.
Low sleep efficiency on a tracker
Under 85% efficiency consistently means time in bed is being wasted.