What is the use—- if we perform pooja with dedication / if we go to temples / etc though we are a post-graduate degree holders or well–settled in our life or leading a comfortable life when we talk something boasting ourselves or when we fail to atleast hear what others say, leave alone the elders and when we threw all etiquettes while moving with the people surrounding us . There are several examples to these — Very few are asunder—– Entering and sitting audaciously without caring...
We sleep every night and even during day time if and when required. At that time we conserve energy and our brain regenerate, as per the version of some Scientists . While we sleep our brain loose certain things which we learnt every day. But ”nerve cells” in the brain will grow fastly with some noise which are told as ”signals” During such sleep, brain gets these signals and absorb these signals . our ancestors –Rishis –acharyars– knew this well ...