Btw this is quite long but its thorough so it would be great if you read it!
Hey, I'm sorry to hear that you're feeling so worried about starting uni. Change is always difficult and this is a big one, so it's completely normal to feel a bit worried about it.
However it sounds like you are panicking a bit and getting somewhat overwhelmed. Have you talked to any family or friends about how you're feeling? This would be a great first step to take and would probably give you some reassurance.
It sounds like your worries are very much about predicting what things might be like at university. Changes like this come with uncertainty, which is what causes us to worry.
If there are some things which you can do and prepare for now in the present, then that might help reduce some of your worry. For example, look up the support on offer at your university for wellbeing and make a list of services you could contact if you ever feel like things are getting a bit too much. Talk to your family about when you might want to come home and how you can get back. Think about how you might organise daily things such as what you can cook, meal preparations, how you want to keep up with hobbies you already have. These are all things you can control now and will give you more stability when you do go to university.
I would recommend headspace as an app for meditation. They have a course on leaving home which I haven't tried yet, but will before I start my second year of university. Their other meditations are great. It is £10 a month but if you can afford it I would highly recommend it. Other meditations may be available as well.
If you do feel at the moment that your feelings of panic and anxiety are becoming too overwhelming and you can't seem to control them, I would also not be afraid of talking to your GP. Wellbeing services at universities can also be great at helping with this, please dont be afraid of accessing any services to support you.
Lastly, transitioning to university is a challenging time. I have found first year to be very much a learning experience, so please be kind to yourself and don't expect it to be perfect! Just make sure you have some plans to keep things in check, and dont be afraid to ask for help if you need it.