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by _0w8t 3736 days ago
Even at 60 latitude it is still possible to wake up durung winter if not after sunrise but at least at dawn if one can afford to wake up at 8:00.

For a while I had to wake before 6:00 and it really sucked at winter when sunrise here is after 9:00. This has little to do with the amount of sleeping. To my surprise I managed to switch to going to bed before 10pm. It is precisely waking up in the dark that was problematic.