to help sb start sth in a fresh, lively state of mind :
A brisk walk should blow the cobwebs away.
to help sb start sth in a fresh, lively state of mind :
A brisk walk should blow the cobwebs away.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005