Chii chinoita kuti munhu arare hope huru apo vamwe vanhu vakarara pasinei noruzha rwose?

Nemhaka yokuti vanorara zvakadzika uye vane zvakawanda zvokuita muuropi zvinozivikanwa semichinjikwa yokurara.

Kurara kwemunhu wese kwakasiyana, kunyangwe tese tichipinda mumatanho mana mamwe chete ekurara kusiri kweREM, uye tinorara nguva dzinoverengeka dzeREM husiku hwega hwega.

Muuropi hwakamuka, nzvimbo huru inonzi thalamus inoshanda senzvimbo yezvinonzwika, zvinoonekwa, uye zvimwe zvinonyandura zvinopinda, asi panguva yokurara zvinobetsera kuzvidzvinyirira.

Mapeteni anonzi maspindles ekurara, anogona kuonekwa pachishandiswa electroencephalography, anoratidza kutanga kwekurara kusiri kweREM.

Ongororo ichangoburwa yakawana kuti vakarara zvakadzika zvechokwadi - avo "vacharara nechero chinhu" - vane zvakawanda zvekurara kupfuura vamwe.