{"id":21352,"date":"2024-12-14T09:22:30","date_gmt":"2024-12-14T02:22:30","guid":{"rendered":"https:\/\/i-clc.edu.vn\/?p=21352"},"modified":"2024-12-14T09:22:30","modified_gmt":"2024-12-14T02:22:30","slug":"khoa-hoc-song-ngu-ca-co-ngu-hay-khong","status":"publish","type":"post","link":"https:\/\/i-clc.edu.vn\/en\/kien-thuc-toan-khoa-hoc-song-ngu\/khoa-hoc-song-ngu-ca-co-ngu-hay-khong\/","title":{"rendered":"Khoa h\u1ecdc song ng\u1eef: C\u00e1 c\u00f3 ng\u1ee7 hay kh\u00f4ng?"},"content":{"rendered":"

B\u00e9 c\u00f3 bao gi\u1edd th\u1eafc m\u1eafc: li\u1ec7u c\u00e1 c\u00f3 ng\u1ee7 gi\u1ed1ng nh\u01b0 ch\u00fang ta kh\u00f4ng? C\u00e1 s\u1ed1ng d\u01b0\u1edbi n\u01b0\u1edbc, kh\u00f4ng c\u00f3 gi\u01b0\u1eddng \u00eam, c\u0169ng ch\u1eb3ng th\u1ea5y c\u00e1 nh\u1eafm m\u1eaft nh\u01b0 ch\u00fang ta. V\u1eady ch\u00fang ngh\u1ec9 ng\u01a1i nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ec3 n\u1ea1p l\u1ea1i n\u0103ng l\u01b0\u1ee3ng? \u0110\u00e2y l\u00e0 m\u1ed9t b\u00ed m\u1eadt th\u00fa v\u1ecb m\u00e0 h\u00f4m nay I-CLC s\u1ebd c\u00f9ng b\u00e9 kh\u00e1m ph\u00e1!<\/span><\/p>\n

Have you ever wondered if fish sleep like us? Fish live underwater, they don\u2019t have cozy beds, and we never see them close their eyes like we do. So, how do they rest and recharge their energy? This is a fascinating mystery that I-CLC will help you uncover today!<\/span><\/i><\/p>\n

C\u00e1 c\u00f3 ng\u1ee7 kh\u00f4ng?<\/b><\/h4>\n

Do fish sleep?<\/i><\/b><\/p>\n

C\u00e2u tr\u1ea3 l\u1eddi l\u00e0 <\/span>c\u00f3<\/span><\/i>! Gi\u1ed1ng nh\u01b0 con ng\u01b0\u1eddi, c\u00e1 c\u0169ng c\u1ea7n th\u1eddi gian \u0111\u1ec3 ngh\u1ec9 ng\u01a1i sau m\u1ed9t ng\u00e0y l\u00e0m vi\u1ec7c. Tuy nhi\u00ean, gi\u1ea5c ng\u1ee7 c\u1ee7a c\u00e1 r\u1ea5t \u0111\u1eb7c bi\u1ec7t, b\u1edfi b\u00e9 s\u1ebd hi\u1ebfm khi “b\u1eaft g\u1eb7p” ch\u00fang \u0111ang ng\u1ee7.<\/span><\/p>\n

The answer is yes! Just like humans, fish need time to rest after a day of activity. However, their sleep is quite unique, and you\u2019ll rarely \u201ccatch\u201d them sleeping.<\/span><\/i><\/p>\n

B\u00e9 c\u00f3 bi\u1ebft v\u00ec sao kh\u00f4ng? V\u00ec m\u1eaft c\u00e1 kh\u00f4ng gi\u1ed1ng m\u1eaft c\u1ee7a c\u00e1c lo\u00e0i \u0111\u1ed9ng v\u1eadt kh\u00e1c. H\u1ea7u h\u1ebft c\u00e1 kh\u00f4ng c\u00f3 m\u00ed m\u1eaft, ho\u1eb7c n\u1ebfu c\u00f3, m\u00ed m\u1eaft c\u1ee7a ch\u00fang r\u1ea5t m\u1ecfng v\u00e0 trong su\u1ed1t, g\u1ea7n nh\u01b0 kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng. \u0110i\u1ec1u n\u00e0y khi\u1ebfn ch\u00fang ta kh\u00f3 nh\u1eadn ra khi n\u00e0o c\u00e1 \u0111ang ng\u1ee7.<\/span><\/p>\n

Do you know why? It\u2019s because fish eyes are different from those of other animals. Most fish don\u2019t have eyelids, and if they do, their eyelids are thin, transparent, and barely functional. This makes it difficult for us to tell when a fish is asleep.<\/span><\/i><\/p>\n

\"\"<\/a><\/p>\n

Khi ngh\u1ec9 ng\u01a1i, c\u00e1 kh\u00f4ng n\u1eb1m y\u00ean nh\u01b0 ch\u00fang ta m\u00e0 th\u01b0\u1eddng b\u01a1i ch\u1eadm, \u0111\u1ee9ng y\u00ean ho\u1eb7c t\u00ecm m\u1ed9t n\u01a1i an to\u00e0n \u0111\u1ec3 tr\u1ed1n. V\u00ed d\u1ee5, c\u00e1 h\u1ec1 s\u1ebd t\u00ecm c\u00e1c r\u1eb7ng san h\u00f4 \u0111\u1ec3 \u1ea9n m\u00ecnh, trong khi c\u00e1 v\u1eb9t t\u1ea1o ra m\u1ed9t l\u1edbp m\u00e0ng m\u1ecfng bao quanh c\u01a1 th\u1ec3 \u0111\u1ec3 b\u1ea3o v\u1ec7 gi\u1ea5c ng\u1ee7 c\u1ee7a m\u00ecnh.<\/span><\/p>\n

When resting, fish don\u2019t lie still like us. Instead, they often slow down their swimming, stay motionless, or find a safe spot to hide. For example, clownfish like to hide among coral reefs, while parrotfish create a thin protective layer around their bodies to ensure a safe “sleep.”<\/span><\/i><\/p>\n

T\u1ea1i sao c\u00e1 c\u1ea7n ngh\u1ec9 ng\u01a1i?<\/b><\/h4>\n

Why do fish need to rest?<\/span><\/i><\/p>\n

C\u0169ng gi\u1ed1ng nh\u01b0 b\u00e9 c\u1ea7n ng\u1ee7 \u0111\u1ec3 kh\u1ecfe m\u1ea1nh, c\u00e1 c\u1ea7n th\u1eddi gian \u0111\u1ec3 t\u00e1i t\u1ea1o n\u0103ng l\u01b0\u1ee3ng. Vi\u1ec7c ngh\u1ec9 ng\u01a1i gi\u00fap c\u00e1 ph\u1ee5c h\u1ed3i c\u01a1 th\u1ec3, s\u1eb5n s\u00e0ng \u0111\u1ed1i m\u1eb7t v\u1edbi c\u00e1c th\u1eed th\u00e1ch trong t\u1ef1 nhi\u00ean. D\u00f9 kh\u00f4ng ng\u1ee7 s\u00e2u nh\u01b0 con ng\u01b0\u1eddi, th\u1eddi gian ngh\u1ec9 ng\u01a1i ng\u1eafn ng\u1ee7i c\u0169ng \u0111\u1ee7 \u0111\u1ec3 c\u00e1 duy tr\u00ec s\u1ee9c kh\u1ecfe v\u00e0 s\u1ef1 linh ho\u1ea1t.<\/span><\/p>\n

Just as you need sleep to stay healthy, fish need rest to recharge their energy. Resting helps them recover their strength and prepares them to face the challenges of the natural world. Even though fish don\u2019t sleep as deeply as humans, their brief moments of rest are enough to keep them healthy and active.<\/span><\/i><\/p>\n

D\u1ea5u hi\u1ec7u nh\u1eadn bi\u1ebft c\u00e1 \u0111ang ng\u1ee7<\/b><\/h4>\n

How to tell if a fish is sleeping<\/span><\/i><\/p>\n

N\u1ebfu b\u00e9 mu\u1ed1n bi\u1ebft c\u00e1 c\u00f3 \u0111ang ng\u1ee7 kh\u00f4ng, h\u00e3y quan s\u00e1t nh\u1eefng \u0111i\u1ec1u n\u00e0y:<\/span><\/p>\n

If you want to know whether a fish is sleeping, look for these signs:<\/span><\/i><\/p>\n