Amazon has said it is aware of an issue with spontaneous random creepy laughing from certain Amazon Echo devices.

They are trying to stop their Amazon Echos, powered by the Alexa voice-activated assistant, from suddenly laughing.

The online retail giant told to tech news publication The Verge on Wednesday that it is aware that some Echo Internet-connected speakers have a laughing problem and is “working to fix it.” 

Source: 

https://www.theverge.com/circuitbreaker/2018/3/7/17092334/amazon-alexa-devices-strange-laughter