Makenna wakes up repeatedly when she sleeps, usually with a gasp, but does not remember these interruptions in the morning. She is most likely suffering from: a. sleep terrors. b. somnambulism. c. sleep apnea. d. somniloquy.

a.sleep terrors

Explanation:

Sleep terrors are episodes of screaming, intense fear and flailing while still asleep. Also known as night terrors,  sleep terrors are considered a parasomnia — an undesired occurrence during sleep. A sleep terror episode usually lasts from seconds to a few minutes, but episodes may last longer.

During a sleep terror episode, a person may:

Sweat, breathe heavily, and have a racing pulse, flushed face and dilated pupils ,Kick and thrash ,Be hard to awaken, and be confused if awakened ,Be inconsolable ,Have no or little memory of the event the next morning.

alzheimer's disease;