Anyone still getting terrible sleep at five months?

Ar

Ever since 3.5 months my son has been sleeping terribly. He woke up every 45-60 min for about 5 weeks, then slept beautifully with only 2 wakings for a week, got RSV, and has been sporadic ever since. The last two nights, he’s woken every hour. I feel like I’m going to lose my mind.