The phrase "affected sleep" is correct and usable in written English.
It can be used to describe sleep that has been influenced or disturbed by external factors, such as stress or illness.
Example: "The recent changes in my work schedule have significantly affected my sleep, making it difficult for me to feel rested."
Alternatives: "impaired sleep" or "disrupted sleep".
A study by Shochat (2012) looked at the impact of lifestyle and technology on sleep quality, quantity and timing, and found that the excessive and constant use of technology, especially close to bedtime or in the bedroom, detrimentally affected sleep.
Artificial light in the nest box dramatically and significantly affected sleep behaviour, causing females to fall asleep later (95 min; while entry time was unaffected), wake up earlier (74 min) and sleep less (56%).
The present study addressed the question of whether the selective 5-HT1A receptor antagonist 4-(2′-methoxy-phenyl -1-[2′- n-2″-pyridinyl -p-iodobenzamido]-ethyl-piperazine 2′-methoxy-phenyl -1-[2′- n-2″-pyridinyl -p-iodobenzamido]-ethyl-piperazine 2′-methoxy-phenyl -1-[2′- n-2″-pyridinyl -p-iodobenzamido]-ethyl-piperazine 2′-methoxy-phenyl -1-[2′- n-2″-pyridinyl -p-iodobenzamido]-ethyl-piperazine 2′-methoxy-phenyl -1-[2′- n-2″-pyridinyl -p-iodobenzamido]-ethyl-piperazine 2′-methoxy-phenyl -1-[2′- n-2″-pyridinyl -p-iodobenzamido]-ethyl-piperazine 2′-methoxy-phenyl -1-[2′- n-2″-pyridinyl -p-iodobenzamido]-ethyl-piperazine 2′-methoxy-phenyl -1-[2′- n-2″-pyridinyl -p-iodobenzamido]-ethyl-piperazine 2′-methoxy-phenyl -1-[2′- n-2″-pyridinyl -p-iodobenzamido]-ethyl-piperazine 2′-methoxy-phenyl -1-[2′- n-2″-pyridinyl -p-iodobenzamido]-ethyl-piperazine 2′-methoxy-phenyl -1-[2′- n-2″-pyridinyl -p-iodobenzamido]-ethyl-piperazine 2′-methoxy-phenyl -1-[2′- n-2″-pyridinyl -p-iodobenzamido]-ethyl-piperazine
However, for this part of the study, researchers also examined the use of other electronics -- such as desktop or laptop computers, tablets and TV -- to see how these may have affected sleep, morning depletion and work engagement.
By being disruptive to sleep, the nocturia episodes affected sleep efficiency and quality.
Only non-medicated children were included, since medication could have affected sleep [ 17] and thus could have biased our results.
"It completely affects sleep, diet, calorie intake.
Nighttime environmental noise affects sleep quality.
Environmental temperature can strongly affect sleep.
This is true overweight and stress affect sleep.
He adds that smartphones (and other screen-based devices) adversely affect sleep by delaying or interrupting sleep time; stimulating the brain; and affecting sleep cycles and alertness.
