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Vilafinil has shown that all living creatures sleep. According to a Swiss study, gold fish that have been deprived of sleep for extended periods of time would remain still to compensate. was also true for cockroaches. Sleep deprivation could lead to an increase in the need for sleep later on, and even further development of insomnia. Insomnia can be defined as an abnormally regulated sleep pattern.
Animals need to sleep, and all animals instinctively know when it's time for a rest.
