A 2 year old should be away from their mother often no longer than a few days.
Some 2 year olds are away from their mother for a few hours to 10 hours or so especially if they go to daycare while the mother is at work.
It's best to not be away from your 2 year old longer than a day as it may lead to psychological harm at least in the short term.
When a 2 year old is separated from their mother for too long it can cause distress in the toddler although it's not always inherently damaging if the 2 year old has a good strong attachment to both of their parents and is in a supportive care environment.
Most 2 year olds can usually handle being away from their mother for a few hours without any issues and sometimes longer.
The time that a 2 year old should go to bed is 6:00 PM to 7:30 PM to ensure the 2 year old gets the required 11 hours to 12 hours of sleep at night which is essential for the 2 year old's development and growth.
If the 2 year old takes an afternoon nap, then the 2 year old's bedtime may be as late as 7:30 PM to 8:00 PM and you should also observe your 2 year old's sleep habits and adjust their bedtime accordingly.
My 2 year old son goes to bed around 6:00 PM to 6:30 PM on most nights and for some 2 year olds they may not go to bed until 10:00 PM to 11:00 PM but an early bedtime is best for 2 year olds.
To sleep train a 2 year old the 2 year old should go to bed at the same time each night and you should create a sleep environment for the 2 year old that is calming and also gradually reduce your presence as a parent during the 2 year olds sleep.
Establishing a consistent bedtime routine is key in helping your 2 year old get over their sleep regression.
You can also use white noise to help the 2 year old sleep better or have them sleep with a plushy toy that they love.
If the 2 year old is potty trained make sure they go to the potty before bed and a warm bath can also help the toddler relax and fall asleep better.
If the toddler in in diapers you should ensure the toddler has a clean and fresh diaper before bed so they can sleep better and be more comfortable.
You can also help with the 2 year olds sleep regression and sleep train them by holding them in a chair and rocking them and then before they fall asleep you can move the 2 year old to their bed.
The 2 year old sleep regression lasts between 2 weeks to 6 weeks although sometimes the sleep regression in 2 year olds may be shorter if you implement consistent and healthy sleep habits for the 2 year old.
Without consistent sleep habits and routines the 2 year old sleep regression can last longer and sometimes more than 6 weeks.
Sleep regression in 2 year olds is a temporary phase and the regression can vary in length from a few weeks to even several months.
2 year old sleep regression looks like a disruption in your 2 year old's sleep patterns and often involves increased wakings at night and resistance to taking naps and also having a longer time to settle down at bedtime.
2 year old sleep regression can also lead to increased clinginess, fussiness and even bedtime battles.
Skipping naps, resisting bedtime and sudden waking in the middle of the night and early morning rise time are common signs of sleep regression in 2 year olds and toddlers.
Too much sleep can also make a toddler cranky.
Although lack of sleep or not enough sleep is a more common cause of a toddler being cranky, it's also possible for toddlers to become cranky and fussy even when they get too much sleep.
Too much sleep in toddlers can also lead to and cause mood disturbances and make it harder for the toddler to fall asleep at night.
Oversleeping can disrupt the production of serotonin, which is a neurotransmitter that regulates mood and it can occur in toddlers, children, teens and even adults that get too much sleep.
The reason why toddlers cry when they are sleepy is a result of over stimulation, separation or sleep regression.
Over tiredness in toddlers is when the toddler has slept less than the 11 to 14 hours of sleep that is recommended which can trigger sudden crying in toddlers.
And developmental milestones and night terrors can also lead to crying in toddlers at bedtime.
Sensory overload can also lead to crying in toddlers when they are sleepy.
The reason why toddlers go crazy when tired is because the toddlers body releases stress hormones such as adrenaline and cortisol, which gives the toddler a temporary boost or burst of energy.
The second wind which it's also known as can also be mistaken for an energized state even though the toddler is actually tired or overtired.
The increased energy in the toddler when overtired is a way to try and keep the toddler awake and active and prevent them from falling asleep.
When toddlers are overtired they will act fussy and be irritable, clingy, clumsy and be difficult to soothe or settle down.
Other signs of a toddler being tired or overtired are rubbing their eyes, yawning, a loss of interest in activities and they may try to fight falling asleep.
A toddler that is overtired may start falling asleep when at the table and eating or sitting on the couch, floor etc and they may try to wake up and keep their eyes open but may eventually just fall asleep.
Overtired toddlers may feel dizzy and be prone to falls and tumbles and sleep on short rides.
Toddlers that are tired or overtired often become more easily upset and cry more frequently and become harder to soothe.
An overtired toddler also often becomes more attached to their parents and resit being separated and the toddler may even be easily annoyed, have shorter temperas and be harder to please.
Over tiredness in toddlers can also lead to and exacerbate tantrums and make the tantrums in toddlers more intense and frequent.
Toddlers that are tired or overtired often lose interest in playing, lose interest in toys and activities that they normally enjoy otherwise.
Demands for attention and difficulty in concentrating also often occur in overtired toddlers.
Overtired toddlers often become more demanding for attention and require constant reassurance.
Other signs of toddlers being overtired are pulling at their ears, yawning, heavy eyelids, glazed over look and they may fall asleep easily during the day or when in a vehicle.
Grizzling or crying such as making low, whiny cries are a sign of a toddler being tired or experience discomfort and fussiness with food is also often a sign of a toddler being overtired and they may refuse to eat.