Dry heaving?

Courtney • Happily engaged and pregnant with our first child. I have pcos so this baby is our miracle from God ❤️
Every morning and sometimes throughout the day I will start dry heaving out of nowhere but nothing comes up. It lasts for about 5 minutes each time and sometimes bile will come up. I'm 5 weeks and 3 days today. Is this normal? I thought morning sickness would include nausea and actual vomitting so I'm just curious. TIA!