Know Your Child’s Sleep Cues Chances are that by the time your child acts ‘tired’, it’s already too late. Watch for tired cues, such as rubbing his eyes, yawning, lack of focus, or general crankiness. When you miss your child’s sleepy cues, you may notice that he is suddenly wired, jumpy, and frantic. This also means that it will be harder for him to wind down for sleep. So watch carefully.