Fussy clingy toddler

Debby

My 18 month old son has been very fussy & cranky for quite some time. During bedtimes, he wouldn’t have any trouble sleeping. He would sleep throughout the night. But now he wakes up quite a few times, maybe 3 crying and fussing and extra clingy. He’s been through such huge tantrums and sometimes he would hit his head. I try to be calm as possible but it’s hard. I don’t want my son hurting himself. If I were to raise my voice, it would just make things worst. Also I haven’t slept as much because of what’s been going on. As any of you lady experienced something similar? I need help. I need advice on what to do..PLEAS E HELP 😭