41.   With that situation nagging them and the perpetual summer light disrupting their sleep patterns, Dormer and Eckhart nonetheless set an efficient trap for the killer.

42.   Patients in a vegetative state have sleep patterns and periods of wakefulness, but no real interaction with their environment.

43.   The new study, co-authored by Ptacek, Jones and others, used specimens from the family to find the genetic basis for the unusual sleep pattern.

44.   The subjects answered a questionnaire about energy levels, mood, sleep patterns and concentration, which could indicate depression.

45.   With closed eyes, I wore sunglasses that emitted a flashing red light to simulate relaxing sleep patterns and listened to relaxing music on my headphones.

46.   The other group was simply advised about normal sleep patterns, but was not advised on how to tackle the problems.

47.   The sleep patterns of the seven Columbia astronauts will also be subject to experiments.

48.   Researchers at Leeds University found the rodent-like mammals -- especially the females -- became withdrawn and suffered altered sleep patterns when they lost their life-long partners.