Secondly, he will get the idea that the daytime is not the right time for long periods of sleep. (babyshusher.com)
Of course, this isn't the case for all babies but you should notice longer periods of sleep at night by now. (bounty.com)
In the long run, children and teens who are sleep deprived may «crash,» requiring very long periods of sleep in order to catch up on the rest they need. (verywellmind.com)