Companion birds including parrots and finches have specific sleep needs that are frequently compromised by household light and noise patterns, causing chronic welfare problems.
Birds are often treated as decorative household items that adapt to human schedules, but their biological need for regular sleep is inflexible. A parrot kept in a bright noisy living room until 11pm is being sleep-deprived just as surely as a person who is kept awake by noise and light. Over time, this chronic sleep deprivation manifests as feather plucking, excessive screaming, aggression, and reduced immune function. The fix is straightforward but requires owner commitment: provide a dark, quiet sleeping space, cover the cage reliably each evening, and ensure 10-12 hours of darkness. This single change often dramatically improves behavioral problems that owners attribute to other causes.