Hello mommies m 35 weeks, i feel pain on my left side i find it hard to…

Hello mommies m 35 weeks, i feel pain on my left side i find it hard to sleep at night. And i always urinate now nd then and my belly also feels weght i can't walk properly nd its paining so im confused is that a labour pains start. M getting worried. Also my baby is so active i can't even rest. She is always playing