Not sleeping after B12 injections

Hi, I was diagnosed with Prenicious Anaemia and low vit D in June, started the injection and Vit D tablets and taken injections regularly every three months. My sleeping stated getting worse since starting the treatment but reached a very bad state after the December injection. I honestly didn't sleep more than an hour a night. started looking into zinc, Magnesium, Potassium and Melatonin supplements and healthy diet high in these. I follow a very clean sleeping routine, restrict no Caffeine, no light, no mobile phone after 7 pm. This week suddenly I am managing to sleep much better thank god but after doing nothing different. I am scared to take my Mach B12 injection worried it could be the cause for my no sleeping the last two months, did anyone else suffer from not sleeping after the b12 injection? Pls x

2 Replies

  • some people do report problems sleeping as a result of injections - but don't I haven't heard anyone come up with anything quite as extreme as you describe. Others find that B12 actually helps them sleep better - certainly the case for me.

    I would suggest that you raise it with your GP.

  • Hi MANALmasri. Just a thought..folate levels that are too low (or indeed too high) can cause insomnia.

    When I was first diagnosed I inadvertently over supplemented with folate and only slept for three hours a night for months (having previously not slept when they were too low). Dreadful 😖.

    Also worth checking other out other supplements you're taking for possible side effects. Sometimes too much can be as bad as too little.

    Has your GP checked your folate levels?

    Plus - B12 and folate work together so if folate is too low the body can't utilise B12 properly. Folate levels need to be in the top third of the reference range.

    B12 helps me sleep 😄

    Good luck...hope you get some good sleep soon 👍

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