Disclaimer: I drink a lot of tea.
I try to do this little stretch as often as I can, it's more about remembering to do it really, I mean I could probably do this like 8 times a day if I remembered!
I am usually the first up and out of bed in our house (even before the dog) so what I'll try and do is when I put the kettle on I'll drop a small towel on the breakfast bar and slowly raise my left leg onto the worktop, and slowly straighten it out, and enjoy my first stretch of the day.
I lean into it as much as possible, then I'll switch legs. After that I'll do the same again but more of a sidekick stretch on both legs.
If you have somewhere at a safe height in your kitchen that can give you some of that early morning movements, I can't recommend it enough!