But, before frustration sparks at yet another suggestion of more sleep, consider this according to NHS UK, extreme tiredness, a lack of energy, and problems with your memory, understanding and judgement could be signs that you are lacking in Vitamin B12
Baulande, S., Lasnier, F., Lucas, M
Doses greatly exceeding the nutritional requirements (for example, hundreds of milligrams daily) have not been studied in randomized trials for safety, so one should avoid mega doses in pregnancy unless treating a specific condition (such as pyridoxine-responsive seizures) under careful supervision
Keep in mind, the following pointers are general clinical information and not a substitute for individualized medical advice from your prescriber
There is no downtime, and normal activities such as work, exercise, or travel can continue without interruption