The surrounding cold winds would reduce or negate any potential harm from leaving the laptop on and it wouldn't be cold enough to hurt a laptop in a sleeve/cover.
Also, this would also affect electronics transitioning from a cool/dry room to a hot/humid outside area. Such as going from cold hotel room overnight to the blazing hot outside in asia in the summer.
The surrounding cold winds would reduce or negate any potential harm from leaving the laptop on and it wouldn't be cold enough to hurt a laptop in a sleeve/cover.
Also, this would also affect electronics transitioning from a cool/dry room to a hot/humid outside area. Such as going from cold hotel room overnight to the blazing hot outside in asia in the summer.