You can find extended versions of these sounds (often lasting 1 to 1.5 hours) on various platforms:
: The "shush" (piş piş) sound resembles the blood flow and heartbeat sounds a baby hears before birth. Pis Pis Supurge Sesi
: The album "Kolik Bebek" by Rahatlatıcı Sesler includes a track specifically combining "Pis pis ve elektrik süpürgesi". You can find extended versions of these sounds
: Use the sound consistently as part of a sleep routine to signal that it is time for bed. Pis pis ve elektrik supurgesi - Rahatlatan Sesler - Spotify Pis pis ve elektrik supurgesi - Rahatlatan Sesler
: Place the sound source at least a few feet away from the crib rather than directly next to the baby's head.
: A 1.5-hour continuous loop is available from Samir Mohamed .
: Keep the sound at a moderate level (around 50-60 dB, like a soft shower) to protect the baby’s hearing.