Python if else time sleep freeze another else function

I have python script to check if time matches, then run specific function.

while True:
    jam = 60*(60-datetime.datetime.now().minute)
    if jam == 3600:
        url = 'http://192.168.1.5/postdata.php'
        myobj = {'somekey': 'test'}

        x = requests.post(url, data = myobj)
        print("Data Hourly Inserted")
        time.sleep(3600)
    else:
        print("Show every 5 seconds")
        time.sleep(5)

As you can see above code, there are 2 conditions:

1. print("Show every 5 seconds") will run every 5 seconds
   
2. print("Data Hourly Inserted") will run every hour

if jam == 3600, the function will run correctly but it will freeze function every 5 seconds.

Any idea how to solve it?