Cientistas descobrem momento em que não dá para lutar contra o sono

Cientistas descobrem momento exato em que não dá para lutar contra o sono

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[{"selector":"#anim-fad12ebc-898c-4b11-99c4-adb25abb23dc","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-2719c55b-3b2f-482a-93ae-78e220de791b","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-2aa76977-7508-4863-aea4-8d18697f6693","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-ec581358-ec7c-42d5-8991-141c20a6ed36","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-80dfb103-cb6a-4670-9a5e-e8b2f8f337d7 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(-14.84181120105353%, 0, 0)","translate3d(0%, 0, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] Um estudo britânico revelou que a transição do estado de vigília para o sono não é gradual, mas ocorre em um ponto crítico bem definido Unsplash

[{"selector":"#anim-ec8bfdba-f566-4a59-945e-3355c3980925","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-11075822-2491-42df-a90c-7e91af592e16","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-23439c2e-807d-4464-8402-f41545102690","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-20091d69-c46d-4049-a268-3e65a6762a0d","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-f6c378ae-818f-4a6f-88cf-f0e40be9d7df [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(-33.76111488682929%, 0, 0)","translate3d(0%, 0, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] Segundo os pesquisadores, o cérebro atinge um momento de inflexão cerca de 4,5 minutos antes de a pessoa adormecer de fato Unsplash

[{"selector":"#anim-85c01379-d4c0-41cf-989e-b91077b73de5","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-dbd7ed01-171b-44fd-84c5-76b20888cf39","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-14bca4fe-7330-4bd8-8500-3c49bbe3c6fb","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-d5eb39fd-4c73-4956-9926-dda4cfcd62bc","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] Esse ponto marca um estado sem retorno, no qual o sistema de vigília colapsa e o sono se instala de forma abrupta Unsplash

[{"selector":"#anim-e4458607-4044-48bc-be1f-5fc78d91decc","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-e4c65173-199c-4fa7-ae2d-de0b13b8c582","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-3c0cc11f-5994-475f-949c-c0bc86a60824","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-a52a96ee-5d22-46cc-a391-eab8bb129fbe","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-6ff7707e-cc14-45b9-bcc1-d7c97cb3b14e [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(6.48712034299429%, 0, 0)","translate3d(0%, 0, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] A descoberta foi feita a partir da análise de eletroencefalogramas de mais de mil pessoas, que permitiram mapear matematicamente o “caminho” até o sono Unsplash

[{"selector":"#anim-6bbd6a4c-0760-46e9-a9ca-203f235bdb37","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-18a385e0-bbec-4b15-8e26-163efbdeaa3c","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-399f31c7-d78f-47b8-aa15-a6a36228d57a","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-40ca36ea-300b-41e0-bddd-6bcde36b8da6","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-34a02818-3f3d-4d6f-a800-764f00316e4b [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(-23.235426247481737%, 0, 0)","translate3d(0%, 0, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] O método conseguiu prever o momento exato da transição com alta precisão, chegando a uma margem de erro inferior a um minuto Unsplash

[{"selector":"#anim-a0d1562f-c4ed-4c50-81ec-dea1e8b84094","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-e206af27-28e3-4491-b2b2-d8d275491636","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-fd122578-c911-4c08-a80d-8a1b93e24046","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-1eb7496e-e5f0-4559-bd25-7b56427d7095","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-a5f0c5f6-8b31-4bfe-a079-7a0568950e47 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(0, 15.135227626873613%, 0)","translate3d(0, 0%, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] Os achados podem ajudar no diagnóstico da insônia, no monitoramento da saúde cerebral e em aplicações práticas, como alertas para evitar que motoristas adormeçam ao volante Unsplash

CNNBRASIL.COM.BR

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