There are lots of benefits to helping your toddler get a good night's sleep. Yes, you'll enjoy some much needed peace and quiet, but more importantly are the positive effects on his mental and physical development. Experts say sleep is the brain's primary activity during early development, and toddlers one and three years old need 12-14 hours of sleep in each 24-hour period.
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Thumbsucking is a natural reflex for babies, but as kids get older, it can affect teeth alignment and proper growth of the mouth. If your child still sucks his thumb by the time his permanent front teeth are ready to come in, help him kick the habit by praising him for not sucking, rather than scolding him when he does. Remind him not to suck by putting a bandage or sock on his hand at night. Ask your pediatrician to prescribe a bitter medication to coat the thumb.

Source: “Thumb sucking,” http://www.ada.org/public/topics/ thumbsucking.asp

Diaper rash is an age-old problem blamed on everything from teething to diet. Pediatricians now believe it's usually caused by moisture, chafing, yeast or bacterial infections, prolonged contact with soiled diapers or allergies to diaper materials. To treat and prevent diaper rash, change diapers often, gently clean the area and let it air-dry, apply a thick layer of protective ointment and keep the diaper loose to prevent rubbing. Skip baby wipes to avoid further irritation and call your pediatrician if the rash gets worse.

Source: “Diaper Rash,” http://www.aap.org/ publiced/br_diaperrash.htm