Como o cérebro reage a menos de seis horas de sono?

Imagem: Canva Pro Dormir pouco está ligado a queda de desempenho e prejuízos cognitivos

[{"selector":"#anim-412fcda9-1498-4364-935f-11baea0d90a7 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(0%, 0, 0) translate(25%, 0%) scale(1.5)","translate3d(0%, 0, 0) translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"fill":"forwards"}] [{"selector":"#anim-fe2e146b-1b70-4067-ba31-68fad47b3900","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-92a841d5-dccc-4d35-a988-850a1730e99e","keyframes":{"transform":["translate3d(-120.13652%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Dormir menos de seis horas por noite durante a semana pode afetar o cérebro de forma silenciosa e comprometer tarefas do dia a dia. Imagem: Getty Images/ Canva Pro

[{"selector":"#anim-36f8beed-ec62-4e9b-8ebc-d508efb786ee [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(0%, 0, 0) translate(25%, 0%) scale(1.5)","translate3d(0%, 0, 0) translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"fill":"forwards"}] [{"selector":"#anim-037c1e6c-7d1a-4cab-885a-7ed3fae811d8","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-a94dcc57-ca1a-48df-94fd-fadf714d230b","keyframes":{"transform":["translate3d(-120.13652%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Mesmo sem perceber sinais claros de cansaço, a atenção diminui, o raciocínio fica mais lento e o desempenho começa a cair. Imagem: Getty Images/ Canva Pro

[{"selector":"#anim-e15f2f8b-7ea9-4f00-aae8-672210113584 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(0%, 0, 0) translate(25%, 0%) scale(1.5)","translate3d(0%, 0, 0) translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"fill":"forwards"}] [{"selector":"#anim-d313be31-643d-44e1-9cbe-9f83822c9149","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-9202ee7f-ffaa-4463-92ee-8634b512d0b5","keyframes":{"transform":["translate3d(-120.13652%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Estudos recentes indicam que a privação de sono está ligada à perda de foco e pior rendimento no trabalho. Imagem: Getty Images/ Canva Pro

[{"selector":"#anim-d691e979-d1a0-43b7-bf03-5aefa30b5ab0 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(0%, 0, 0) translate(25%, 0%) scale(1.5)","translate3d(0%, 0, 0) translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"fill":"forwards"}] [{"selector":"#anim-6b3b84a4-f5a1-468c-93d5-f5bf7043960d","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-3c9b8f26-979e-46d6-8ae7-cdae86c229da","keyframes":{"transform":["translate3d(-120.13652%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] O problema não está apenas em dormir pouco, mas em manter um padrão irregular de sono ao longo da semana. Imagem: Getty Images/ Canva Pro

[{"selector":"#anim-d3dfe5e3-c582-4718-a876-d3183e032f16 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(0%, 0, 0) translate(25%, 0%) scale(1.5)","translate3d(0%, 0, 0) translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"fill":"forwards"}] [{"selector":"#anim-579b8238-470e-4b61-a8b7-1f7aef2a26ab","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-2f14bd4f-cf4a-445a-a1e5-e72c31d100c9","keyframes":{"transform":["translate3d(-120.13652%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Uma pesquisa publicada em 2024 analisou hábitos de sono e sua relação com desempenho reduzido no ambiente profissional. Imagem: Getty Images/ Canva Pro

[{"selector":"#anim-d519aa4f-42f5-4d4f-85c7-d23482984998 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(0%, 0, 0) translate(25%, 0%) scale(1.5)","translate3d(0%, 0, 0) translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"fill":"forwards"}] [{"selector":"#anim-58b86949-efda-4cb2-bed7-0fcebc54133a","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-9c273e9b-ee81-48ce-933d-3678c45d34b3","keyframes":{"transform":["translate3d(-120.13652%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Os cientistas estudaram trabalhadores adultos e observaram como o sono nos dias úteis e de folga afeta a produtividade. Imagem: Getty Images/ Canva Pro

[{"selector":"#anim-bba18339-7182-4df3-b96e-235022162427 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(0%, 0, 0) translate(25%, 0%) scale(1.5)","translate3d(0%, 0, 0) translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"fill":"forwards"}] [{"selector":"#anim-a708e49f-c51c-4bbf-9f2e-b2098004a680","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-6b588ddc-3576-4f91-bf3d-b443d61c99c6","keyframes":{"transform":["translate3d(-120.13652%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Os participantes foram classificados conforme dormiam menos de seis horas, entre seis e oito, ou mais de nove horas. Imagem: Getty Images/ Canva Pro

[{"selector":"#anim-989eb6ef-2430-4f74-9fa4-b81e427b12db [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(0%, 0, 0) translate(25%, 0%) scale(1.5)","translate3d(0%, 0, 0) translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"fill":"forwards"}] [{"selector":"#anim-c81c5656-5075-499b-95b4-1aa38e7f8eff","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-aeae78eb-850c-4456-8595-1f8d2e6f2216","keyframes":{"transform":["translate3d(-120.13652%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] A comparação revelou que padrões irregulares de sono aumentam significativamente o risco de baixo rendimento diário. Imagem: Getty Images/ Canva Pro

[{"selector":"#anim-8b1f3ddb-5eed-416d-922e-9bd896e0b8e7 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(0%, 0, 0) translate(25%, 0%) scale(1.5)","translate3d(0%, 0, 0) translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"fill":"forwards"}] [{"selector":"#anim-4fb98469-da5b-4f70-9f95-23217a072a5e","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-207cabc2-5623-4904-a2a5-d6fbea353804","keyframes":{"transform":["translate3d(-120.13652%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Um dos grupos apresentou um risco muito maior de desempenho reduzido mesmo dormindo bem em parte da semana. Imagem: Getty Images/ Canva Pro

[{"selector":"#anim-23b3a24f-a682-44d9-80f6-882065197680 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(0%, 0, 0) translate(25%, 0%) scale(1.5)","translate3d(0%, 0, 0) translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"fill":"forwards"}] [{"selector":"#anim-3be96b0a-f0f9-4a9c-9c0d-f5c969b0277c","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-0ea77e97-8acf-4a64-8a3a-626debfca83d","keyframes":{"transform":["translate3d(-120.13652%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Dormir mais apenas nos fins de semana não foi suficiente para eliminar os prejuízos causados pela falta de sono. Imagem: Getty Images/ Canva Pro

[{"selector":"#anim-a866721b-a191-4974-909b-b2d0c25824c3 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(0%, 0, 0) translate(25%, 0%) scale(1.5)","translate3d(0%, 0, 0) translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"fill":"forwards"}] [{"selector":"#anim-8531473e-1913-486b-95a2-34e8410a7daa","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-79f8be97-9d89-4b37-b978-68637c4bb62b","keyframes":{"transform":["translate3d(-120.13652%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] A privação acumulada altera o ritmo biológico e prejudica funções importantes do cérebro ao longo do tempo. Imagem: Getty Images/ Canva Pro

[{"selector":"#anim-10b8b327-6e5f-49c9-9ab8-89562b7e2090 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(0%, 0, 0) translate(25%, 0%) scale(1.5)","translate3d(0%, 0, 0) translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"fill":"forwards"}] [{"selector":"#anim-f7a87ea6-dad1-40ab-a9c2-c6aad10602f6","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-9c2efdbd-c1ea-433b-8164-b4338f77cbb9","keyframes":{"transform":["translate3d(-120.13652%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Manter horários regulares de sono está associado a mais foco, menos erros e melhor saúde mental. Imagem: Getty Images/ Canva Pro

[{"selector":"#anim-b9572072-b5f5-4d03-82cb-fb722b05c68a [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(0%, 0, 0) translate(25%, 0%) scale(1.5)","translate3d(0%, 0, 0) translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"fill":"forwards"}] [{"selector":"#anim-8a70e3aa-b240-4b22-b02b-c1f7cd2e5ddd","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-d8bb4448-6487-4ce9-9e4c-4c90d8b6fe81","keyframes":{"transform":["translate3d(-120.13652%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Mas por que o sono irregular causa impactos tão fortes no desempenho diário? Veja os detalhes no artigo completo. Imagem: Getty Images/ Canva Pro Ler artigo