Insight before reading I’m weeks late! negative tests 2 weeks ago and negative bloods I don’t symptom spot but this is too hard to not be curious

has anybody kept waking up at the same time for 3-4 mornings and feel very sick, and have to sit up or you vomit. reason for asking last 4 mornings i have been waking up dead on 5am and have a feeling im going to vomit and half to sit up or I will 100% will vomit. it lasts for 3 hours and gone again till the next morning, during that time i can barely stand eating my breakfast. any insight would be grateful. thank you. PS today my sickness is lasting longer and is stronger sickness felling if you can understand.