Nocturnal animals tend to have proportionally bigger eyes than humans do. They also tend to have pupils that open more widely in low light. So, at the outset, nocturnal eyes gather more light than ...

Asthma symptoms that worsen at night are called nocturnal asthma. These symptoms can affect your sleep and your health. Your doctor can help. Asthma symptoms are often worse at night and may ...

Harding et al. evaluated 482 patients attending a back pain triage clinic between April and September 2002, to determine whether nocturnal back pain is a useful diagnostic indicator of serious ...