blow the cobwebs away
US /bloʊ ðə ˈkɑbˌwɛbz əˈweɪ/
UK /bloʊ ðə ˈkɑbˌwɛbz əˈweɪ/
1.
to do something that makes you feel more active and awake, especially after a period of inactivity or rest
:
•
Let's go for a walk to blow the cobwebs away.
•
A good run in the morning always helps me to blow the cobwebs away.