A 14 year old can stay home alone overnight in Arkansas as Arkansas has no actual specific legal minimum age requirement for leaving your child home alone, which includes overnight.
Although as a parent, you're still legally responsible for the welfare of your child in Arkansas and child welfare agencies and even law enforcement can still intervene and file neglect charges on the parents if the child is left unattended without adequate maturity or is in unsafe conditions.
As a 14 year old in 2002 I was left home alone in Arkansas for a week, while my parents went out of state to a family gathering.
However I was mature enough and even a law enforcement officer just stopped by to check on me after someone reported it and he said that since I was mature enough that I was okay.
I could cook for myself safely, dress myself, shower and keep the house clean and knew how to contact my parents and emergency services if needed.
But it can vary from child to child and how much you trust them as not all 14 year old's could be left alone that long.
Under 14 I certainly wouldn't leave a child home alone longer than overnight and not for a week.
But with Arkansas, state law doesn't set a distinct age threshold for staying home alone during the day or even overnight.
Prosecutors and police in Arkansas evaluate the cases based on whether a parent had exercised reasonable judgement regarding the child's safety and well being.
Most general child welfare and parenting guidelines also advise against overnight unsupervised stays until mid to late adolescence which is often ages 15 to 18 due to the extended duration and unexpected emergencies that could occur.
And so deciding on if a 14 year old is ready to stay home alone overnight depends heavily on the 14 year old's individual maturity, ability to handle crisis situations, their access to a reliable phone and their comfort level.