What time I eat dinner does not affect my sleep.

Others have severe symptoms that affect their sleep and daily lives.

Certainly if you are stressed, it can affect your sleep.

Have any of these factors ever affected your sleep?

Pick one thing to change, and see how that change affects your sleep.

Have you noticed any daytime habits that affect your sleep?

How do changes in my body clock affect my sleep?

Four in 10 patients with hayfever say that the condition affects their sleep.

For example, what, when, and how much you eat and drink can affect your sleep.

It was likely that evil spells were affecting his sleep.