Birds are divided into two groups on the basis of sleeping at night and during the day. These two groups are diurnal and nocturnal. According to scientists, most birds are diurnal. You must have seen many animals sleeping around you. Especially dogs can be easily seen sleeping. But have you ever seen a bird sleeping? Let us tell you how and when birds sleep. Birds are divided into two groups on the basis of sleeping at night and during the day. These two groups are diurnal and nocturnal. According to scientists, most birds are diurnal. Diurnal means birds that are awake during the day and sleep at night. Whereas some birds are nocturnal. The nocturnal group includes those birds that sleep during the day and are awake at night. Owl is the biggest example of this. The first stage is called slow wave sleep. In this the birds are in light sleep. This means that if there is even the slightest movement around them, they will wake up immediately. Whereas the second phase is of rapid eye movement. In this the birds sleep deeply and get lost in the world of dreams. However, this sleep lasts for a very short period of time. Birds take such sleep for only 16 seconds. But he takes this sleep of 16-16 seconds many times. scientists had discovered that a sea bird called frigate bird can sleep even while flying. However, these birds keep one eye open while sleeping, so that they do not collide with anything and also stay away from their predators.
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Friday, June 27, 2025