Most people experience occasional nightmares, but for some, frequent nightmares may be a warning sign. Most individuals undergo four or five cycles of dream activity per night, each lasting 15 to 40 minutes, though most dreams are quickly forgotten. Classic nightmares, such as falling or losing teeth, are typically harmless and reflect the brain processing real-life concerns.
However, recurrent nightmares may indicate deeper issues. Jorge Alcalde, a science communicator, said: 'A person who feels overwhelmed by frequent nightmares should report them, because it might indicate an underlying emotional issue, anxiety, stress, or depression.' Research by Abidemi Otaiku, MD, suggests that adults who suffer weekly nightmares are more than three times as likely to die before age 75 compared to those who rarely or never have nightmares. Additionally, repeated nightmares are linked to PTSD, with 80% of PTSD patients experiencing them.
A person who feels overwhelmed by frequent nightmares should report them, because it might indicate an underlying emotional issue, anxiety, stress, or depression.
Other sleep disturbances also deserve attention. Sleepwalking and restless leg syndrome can signal underlying problems, according to Alcalde. Sleep paralysis, a severe disturbance where a person wakes before REM atonia fades, is often accompanied by hallucinations. The precise causes and treatments for these conditions continue to be studied.