const runtime.traceBlockSleep

5 uses

	runtime (current package)
		mgcscavenge.go#L504: 		goparkunlock(&s.lock, waitReasonSleep, traceBlockSleep, 2)
		time.go#L336: 		gopark(nil, nil, waitReasonSleep, traceBlockSleep, 1)
		time.go#L338: 		gopark(resetForSleep, nil, waitReasonSleep, traceBlockSleep, 1)
		traceruntime.go#L103: 	traceBlockSleep
		traceruntime.go#L123: 	traceBlockSleep:              "sleep",