This question is:
When we talk about a general thing and the event in the adverbial clause happens eariler, what tense should we use?
This question is related to my last post. (When we talk about a general thing and the event in the adverbial clause happens earlier, what tense should we use?)
Since the examples I provided on my last post are too broad, I looked up more sentences on the net and listed them below hoping to better explain my confusion and question (as you can see, some of the adverbial clauses below are present tense; some are past tense. It is confusing. Aren't they all talking about something general like a general statement or a suggestion?).
Even if you didn’t sleep the night before, you should get up and move through your day as best as you can. (https://www.onemedical.com/blog/get-well/sweet-slumber-7-habits-of-highly-successful-sleepers)
Finally, stick to your normal wake up time, even if you had a bad night of sleep the night before. (https://www.sleepfoundation.org/articles/improving-sleep-quality-what-interrupted-sleep)
If you didn’t sleep well the night before an interview and feel lethargic as a result, here are some tips from our career coaches to get you back on track in time to impress a potential employer: (https://www.outplacement.net.au/blog/bad-nights-sleep-before-job-interview/)
Another important element is recent sleep activity. If you have had a nap during the day, you will find it harder to go to sleep, and if you didn’t sleep the night before, you will find it easier. (https://www.ergoflex.com.au/blog/category/sleep-research/nodding-off)
If you don't sleep the night before a race, the adrenaline of the event usually overrides the negatives of sleep deprivation. (https://www.runrocknroll.com/de/Blog/Humor/2018/03/19/12/42/How-Lack-Of-Sleep-Affects-Your-Running)
This is why a good night’s sleep is vital for our mental capacity. If you get an adequate amount of sleep the night before an exam, including several deep-sleep and REM phases, you will be better able to recall the material you have studied. (https://www.rd.com/health/wellness/stages-of-sleep/)
If you don't get enough sleep the night before, an afternoon nap will improve your alertness and give you a feeling of more energy, so you can take on more tasks. After napping, people not only feel better, but do significantly better on tests of mental performance. (http://virgil.azwestern.edu/~dag/lol/SiestaSense.html)
If you don’t get enough sleep the night before, you’re simply not living up to your potential that day. (https://www.plushbeds.com/blog/health-and-wellness/5-top-natural-health-and-wellness-trends/)