Noisy humans make birds sleep with one eye open—but lockdown offered a reprieve

[PhysOrg]

Getting a good night's sleep is crucial for your well-being, as any new parent will tell you. Chronic sleep loss can have a range of effects on the body, from impaired memory to an increased risk of heart attack. But it's not just humans that need regular sleep. Most animals, from insects to primates, undergo a state of reduced awareness at some point in their day that we can think of as sleep.

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