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  2. Night terror - Wikipedia

    en.wikipedia.org/wiki/Night_terror

    Epileptic seizure, nightmares. Night terror, also called sleep terror, is a sleep disorder causing feelings of panic or dread and typically occurring during the first hours of stage 3–4 non-rapid eye movement (NREM) sleep [1] and lasting for 1 to 10 minutes. [2] It can last longer, especially in children. [2]

  3. Trinity (nuclear test) - Wikipedia

    en.wikipedia.org/wiki/Trinity_(nuclear_test)

    December 20, 1968. Trinity was the code name of the first detonation of a nuclear weapon, conducted by the United States Army at 5:29 a.m. MWT [a] (11:29:21 GMT) on July 16, 1945, as part of the Manhattan Project. The test was of an implosion-design plutonium bomb, nicknamed the "gadget", of the same design as the Fat Man bomb later detonated ...

  4. Non-rapid eye movement sleep - Wikipedia

    en.wikipedia.org/wiki/Non-rapid_eye_movement_sleep

    K-complexes are single long delta ... (sleep talking), sleep eating, nightmares or night terrors ... (PSG) is a test used in the study of sleep; the test result is ...

  5. Nocturnal emission - Wikipedia

    en.wikipedia.org/wiki/Nocturnal_emission

    Nocturnal emissions happen after stressful dreams in REM sleep which activate the sympathetic nervous system hence leading to ejaculation. [1] Nocturnal emissions can start as early as age nine [2] and are most common during adolescence and early young adult years, but they may happen any time after puberty.

  6. ‘Night owls’ appear to have better brain function, new study ...

    www.aol.com/lifestyle/night-owls-appear-better...

    The study’s first finding is that sleeping between 7 and 9 hours each night was optimal for brain function and boosting cognitive ability. Sleeping less than 7 hours and more than 9 hours ...

  7. Unit 731 - Wikipedia

    en.wikipedia.org/wiki/Unit_731

    Unit 731 (Japanese: 731部隊, Hepburn: Nana-san-ichi Butai), [note 1] short for Manchu Detachment 731 and also known as the Kamo Detachment [3]: 198 and the Ishii Unit, [5] was a covert biological and chemical warfare research and development unit of the Imperial Japanese Army that engaged in lethal human experimentation and biological weapons manufacturing during the Second Sino-Japanese War ...

  8. The Blitz - Wikipedia

    en.wikipedia.org/wiki/The_Blitz

    The first raid was a night time bombing mission when 18 BR.20s attacked Harwich and Felixstowe on 24/25 October. On 29 October 15 bombers with a heavy fighter escort attacked Ramsgate during the daytime. There were 8 further night time bomber attacks on Harwich and Ipswich and one daylight bomber raid of Harwich with an escort of 40 fighters.

  9. Sleep disorder - Wikipedia

    en.wikipedia.org/wiki/Sleep_disorder

    Sleep disorder. A sleep disorder, or somnipathy, is a medical disorder of an individual's sleep patterns. Some sleep disorders are severe enough to interfere with normal physical, mental, social and emotional functioning. Sleep disorders are frequent and can have serious consequences on patients' health and quality of life. [1]