Which of the following is not the right advice, with respect to sleep hygiene?

Some basic components of sleep hygiene are: Regular, daily physical exercises (preferably not in the evening) Minimise daytime napping Avoid fluid intake and heavy meals just before bedtime Avoid caffeine intake (e.g. tea, coffee, cola drinks) before sleeping hours Avoid regular use of alcohol (especially avoid use of alcohol as a hypnotic for promoting sleep) Sleep in a dark, quiet, and comfoable environment Regular times for going to sleep and waking-up Try relaxation techniques