Heedless and lustful acts that can help one in performing acts of obedience, such as sleep that is intended to help in performing worship; and eating, drinking, wearing clothes and marrying that can help in performing worship; if one does not intend such by them, it would be a shortcoming on his part and missing out on reward.
[Majmu` al-Fatawa, Ibn Taymiyyah (10/461)]
أفعال الغفلة والشهوة التي يمكن الاستعانة بها على الطاعة