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Sve više ljudi ima kronične probleme sa snom. Jedno je ranije istraživanje pokazalo da se čak trećina odraslih ljudi iz Velike Britanije barem jednom susrelo s nesanicom ili drugim problemima sa spavanjem, piše Nova.

Rezultati konstantnog nedostatka sna mogu biti poteškoće u obavljanju svakodnevnih aktivnosti, osjećaj iscrpljenosti pa čak i kroničnog umora. Ipak, najnovija studija pokazuje da bi besane noći mogle imati i još ozbiljnije efekte, i to na mozak.

Studija, čiji su rezultati objavljeni u časopisu "Journal of Neuroscience“, otkrila je da nedostatak sna može uzrokovati značajne promjene u strukturi mozga, odnosno starenje mozga, kod nekih i do dvije godine, prenosi Nova. 

U sklopu studije analizirani su MRI podaci 134 zdrava čovjeka starosti između 19 i 39 godina, koji imaju različite navike spavanja, među kojima je bilo potpune deprivacije, djelomične deprivacije, tri sata i pet sati sna. U čitavo istraživanje uključena je i kontrolna grupa, čiji su članovi spavali osam sati svake noći.

Članovi svake grupe imale su barem jednu noć "osnovnog spavanja“, pri čemu su u krevetu proveli osam sati, a svake noći su njihovi mozgovi bivali analizirani, izračunavanjem prividne starosti mozga.

Članovi grupe s potpunom deprivacijom sna pokazali su do dvije godine veću starost mozga. Strašne promjene, potvrđuju znanstvenici, mogli bi poništiti spavanjem. Naime, nakon jedne noći spavanja, starost mozga više se nije razlikovala od svoje početne vrijednosti.

"Otkrili smo povezanost između promjene u starosti mozga nakon potpunog nedostatka sna i varijabli sna mjerenih tijekom noći oporavka. Osim toga, također smo primijetili da se starost mozga nije značajno promijenila u akutnim ili kroničnim grupama. Nasuprot tome, starost mozga nije značajno promijenjena ni akutnim (tri sata provedena u krevetu tijekom jedne noći), ni kroničnim djelomičnim ograničenjem sna (pet sati provedenih u krevetu pet noći zaredom)“, tvrde znanstvenici koji su radili na studiji.

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Sve više ljudi ima kronične probleme sa snom. Jedno je ranije istraživanje pokazalo da se čak trećina odraslih ljudi iz Velike Britanije barem jednom susrelo s nesanicom ili drugim problemima sa spavanjem, piše Nova.

Rezultati konstantnog nedostatka sna mogu biti poteškoće u obavljanju svakodnevnih aktivnosti, osjećaj iscrpljenosti pa čak i kroničnog umora. Ipak, najnovija studija pokazuje da bi besane noći mogle imati i još ozbiljnije efekte, i to na mozak.

Studija, čiji su rezultati objavljeni u časopisu "Journal of Neuroscience“, otkrila je da nedostatak sna može uzrokovati značajne promjene u strukturi mozga, odnosno starenje mozga, kod nekih i do dvije godine, prenosi Nova. 

U sklopu studije analizirani su MRI podaci 134 zdrava čovjeka starosti između 19 i 39 godina, koji imaju različite navike spavanja, među kojima je bilo potpune deprivacije, djelomične deprivacije, tri sata i pet sati sna. U čitavo istraživanje uključena je i kontrolna grupa, čiji su članovi spavali osam sati svake noći.

Članovi svake grupe imale su barem jednu noć "osnovnog spavanja“, pri čemu su u krevetu proveli osam sati, a svake noći su njihovi mozgovi bivali analizirani, izračunavanjem prividne starosti mozga.

Članovi grupe s potpunom deprivacijom sna pokazali su do dvije godine veću starost mozga. Strašne promjene, potvrđuju znanstvenici, mogli bi poništiti spavanjem. Naime, nakon jedne noći spavanja, starost mozga više se nije razlikovala od svoje početne vrijednosti.

"Otkrili smo povezanost između promjene u starosti mozga nakon potpunog nedostatka sna i varijabli sna mjerenih tijekom noći oporavka. Osim toga, također smo primijetili da se starost mozga nije značajno promijenila u akutnim ili kroničnim grupama. Nasuprot tome, starost mozga nije značajno promijenjena ni akutnim (tri sata provedena u krevetu tijekom jedne noći), ni kroničnim djelomičnim ograničenjem sna (pet sati provedenih u krevetu pet noći zaredom)“, tvrde znanstvenici koji su radili na studiji.

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Nova istraživanje: nedostatak sna može ostarjeti mozak preko noći, evo kako spriječiti razorne efekte deprivacije

Piše MOZAIK SD
4. ožujka 2023. - 16:23

Sve više ljudi ima kronične probleme sa snom. Jedno je ranije istraživanje pokazalo da se čak trećina odraslih ljudi iz Velike Britanije barem jednom susrelo s nesanicom ili drugim problemima sa spavanjem, piše Nova.

Rezultati konstantnog nedostatka sna mogu biti poteškoće u obavljanju svakodnevnih aktivnosti, osjećaj iscrpljenosti pa čak i kroničnog umora. Ipak, najnovija studija pokazuje da bi besane noći mogle imati i još ozbiljnije efekte, i to na mozak.

Studija, čiji su rezultati objavljeni u časopisu "Journal of Neuroscience“, otkrila je da nedostatak sna može uzrokovati značajne promjene u strukturi mozga, odnosno starenje mozga, kod nekih i do dvije godine, prenosi Nova. 

U sklopu studije analizirani su MRI podaci 134 zdrava čovjeka starosti između 19 i 3...

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14. svibanj 2024 13:17