Researchers from Aarhus University, Denmark, have said that men who go to bed early could have better sperm compared to those who sleep late.
According to www.independent.co.uk, the study revealed that men who go to bed before 10.30pm were up to four times more likely to have good quality sperm.
The researchers added that men who got around eight hours a night were also more likely to have healthy sperm than those who got less than seven.
The study authors suggested that couples looking to conceive should consider limiting distractions that might keep them up at night, such as checking emails or watching television. Read more